General Math Forum

Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.

Threads

Graduate Prove , if x is a rational number , x ≠ 0 then , tan(x) is not rational

  • Maths Lover
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Solve cos²(π/4(sin x+√2cos² x))-tan²(x+π/4tan² x)=1

  • anemone
  • · Replies 4 ·
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4

Graduate I'm trying to come up with a good Ramsey Theory question (details)

  • jdinatale
  • · Replies 3 ·
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3

What is the geometric progression with 4 and 5 digit terms?

  • anemone
  • · Replies 4 ·
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4

Graduate Can Every Integer n > 1 have at Least One Prime Number Between n+1 and n^2?

  • Myslius
  • · Replies 2 ·
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2

AM-GM inequality for sum of 3 square roots

  • I like Serena
  • · Replies 1 ·
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1

Find the remainder when f(100) is divided by by 100

  • anemone
  • · Replies 6 ·
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6

High School How to remember which to graph first?

  • Tyrion101
  • · Replies 1 ·
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1

How to Solve a Quartic Polynomial with x^4+1=2x(x^2+1)?

  • anemone
  • · Replies 4 ·
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4

Undergrad How to calc sides of rectangle inside a rotated rectangle

  • mhurkman
  • · Replies 5 ·
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5

Undergrad Efficient Algorithm for Calculating (n^x)/d

  • Atran
  • · Replies 1 ·
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1

Undergrad Medical student interested in mathematics

  • sgo2387
  • · Replies 1 ·
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1

Graduate A function describing a tilted tube

  • Niles
  • · Replies 7 ·
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7

Multiplication of Fractions (Destiny C Sweet's Question on Facebook)

  • Sudharaka
  • · Replies 1 ·
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1

What is the Maximum Value of k for the Given Inequality?

  • Albert1
  • · Replies 7 ·
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7

Graduate Understanding Suitable Partitioning in Constructing New Number Systems

  • Ryuzaki
  • · Replies 4 ·
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4

High School Problem switching back and forth between the diffrerent arithmetics

  • Tyrion101
  • · Replies 34 ·
2
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34

Why Does Subtraction Become Addition in Composite Functions?

  • mitchconnor
  • · Replies 1 ·
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1

How do you define absolute value function on different intervals?

  • paulmdrdo1
  • · Replies 1 ·
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1

Undergrad What is the total memory storage of the human genome?

  • Tzikin
  • · Replies 1 ·
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1

High School Pre-calc book for an international student?

  • YYaaSSeeRR
  • · Replies 1 ·
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1

Mind-Boggling Puzzle: Solve How Many Parts Each Worker Got

  • Wilmer
  • · Replies 3 ·
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3

Undergrad Equation rearrangement to solve for varialbe

  • Bgayn
  • · Replies 5 ·
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5

What values of b give a common root for these equations?

  • anemone
  • · Replies 11 ·
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11

Graduate Cross product of complex vectors

  • GabDX
  • · Replies 3 ·
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3

Find f(1996): f(1)=1996, f(1)+f(2)+\cdots+f(n)=n^2f(n)

  • anemone
  • · Replies 1 ·
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1

Prove A < B without Calculation Tools

  • Albert1
  • · Replies 6 ·
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6

Poly. in integer coeff. takes infinitely many integers to composites.

  • caffeinemachine
  • · Replies 1 ·
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1

Undergrad A mathematical formula for p mod q

  • s0ft
  • · Replies 13 ·
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13

Undergrad Solving this system of linear equation.

  • slicer4ever
  • · Replies 1 ·
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1

Undergrad Is (nearly) all mathematics addition?

  • cmcraes
  • · Replies 31 ·
2
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31

No. of real roots of Quadratic equation

  • juantheron
  • · Replies 2 ·
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2

Simplifying an Expression (Heather Jean's Question from Facebook)

  • Sudharaka
  • · Replies 1 ·
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1

Undergrad Lb/f to kn/m and not consistent

  • violt
  • · Replies 3 ·
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3

Show that a rational function under some constraint is actually a polynomial.

  • caffeinemachine
  • · Replies 2 ·
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2

High School What Are the Angles in an Equilateral Triangle?

  • Googl
  • · Replies 2 ·
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2

What Ramanujan had, every one should have

  • mathworker
  • · Replies 17 ·
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17

High School Effective learning methods advice

  • krixx
  • · Replies 7 ·
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7

Prove 1+1 = 2 in fewer pages

  • StevieTNZ
  • · Replies 56 ·
2
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56

How to Define a Piecewise Function Without Absolute Value Bars?

  • paulmdrdo1
  • · Replies 7 ·
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7

Proving the primality of a quadratic over the natural numbers

  • mathworker
  • · Replies 8 ·
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8

Completion of the proof of the Cosine Rule

  • Prove It
  • · Replies 1 ·
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High School Time Taken for Moving 200m with Constant Speed of 10m/s

  • adjacent
  • · Replies 12 ·
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12

Solving 2tanxcosx=tanx and similar equations for 0≤x<2π

  • SarahJeen
  • · Replies 18 ·
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18
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High School What Mathematical Techniques Can Solve This Equation?

  • tiwai016
  • · Replies 3 ·
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3

Proving: 2003 Is a Product of Natural Numbers

  • Albert1
  • · Replies 2 ·
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2

High School How to Calculate the Value of Pi?

  • Philosophaie
  • · Replies 1 ·
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1

Probability of last 4 Stanley Cup winners meeting in conference finals

  • PookDo
  • · Replies 8 ·
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8

How Do You Prove a Logarithmic Identity Involving Powers of x?

  • Chipset3600
  • · Replies 2 ·
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2

Undergrad Using fourier transform to find moving average

  • brianhurren
  • · Replies 5 ·
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5

Proving Non-Equality of Cubes of Natural Numbers

  • mathmaniac1
  • · Replies 31 ·
2
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High School What is Discrete Math (in layman's terms)?

  • wlcgeek
  • · Replies 2 ·
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2

Is Your Trigonometry Strong Enough to Solve This Challenge?

  • anemone
  • · Replies 4 ·
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4

Undergrad How to notate a variable that is being held constant

  • jldibble
  • · Replies 9 ·
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9
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Roots of p ( z ) in IR [ z ] (Lava's question at Yahoo Answers)

  • Fernando Revilla
  • · Replies 1 ·
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1

Find the values of a, b, c and k.

  • anemone
  • · Replies 4 ·
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4

Undergrad Fourier Series/ transform demonstration

  • MrAlbot
  • · Replies 1 ·
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1

How to find and graph U(x) - U(x-1) where U is the Heaviside step function

  • paulmdrdo1
  • · Replies 12 ·
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12

Answerer's question at Yahoo Answers regarding a trigonometric equation

  • MarkFL
  • · Replies 1 ·
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1

High School Trig Self-Study Books: Looking for Suggestions!

  • 462chevelle
  • · Replies 2 ·
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2

Solving the Parabolic Tunnel Problem by Friday

  • Alelin
  • · Replies 2 ·
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2

High School Reducing fractions and lower math?

  • Tyrion101
  • · Replies 3 ·
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3

What's the URL for the fantastic group theory wiki?

  • Stephen Tashi
  • · Replies 2 ·
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2

Calculate the sum of fractions

  • anemone
  • · Replies 6 ·
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6

Undergrad How do you solve eq. that have both exponents and polynomials

  • Government$
  • · Replies 4 ·
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4

Undergrad Possible function y=f(x) if data points are given.

  • s0ft
  • · Replies 5 ·
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5

High School An airplane was carrying 80 bricks. One fell off. How many remain?

  • Kholdstare
  • · Replies 22 ·
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22

High School Why must a triangle have two equal sides if a square fits inside it?

  • adjacent
  • · Replies 9 ·
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9

Undergrad Deriving the tangent double angle formula

  • lntz
  • · Replies 1 ·
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1

Graduate Rewrite of function into closed-form

  • Big-Daddy
  • · Replies 6 ·
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6

High School How I separate 1/(2+1) in 2 fractions?

  • xeon123
  • · Replies 3 ·
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3

Inscribed and circumscribed quadrilateral

  • Andrei1
  • · Replies 3 ·
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3

Graduate Finding the times when one cycle occurs for FM wave

  • Rick66
  • · Replies 1 ·
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1

Finding negative integer solutions to y = 10x/(100−x)

  • Albert1
  • · Replies 3 ·
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3

Find Max Sum Given Integers a,b,c,d

  • Albert1
  • · Replies 2 ·
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2

High School Is there an easier way to solve rational equations?

  • cmcraes
  • · Replies 5 ·
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5

Undergrad Radical and its rational exponential form

  • OceanSpring
  • · Replies 1 ·
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1

Undergrad Why exclude a value that cancels out in a rational expression

  • Light Bearer
  • · Replies 2 ·
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2

Undergrad Beam shear formula gives different results in English and metric units

  • violt
  • · Replies 8 ·
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8

Graduate Solution to Quartic Equation with small first coefficient

  • andert
  • · Replies 5 ·
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5
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8

Undergrad Assist in rearrangment of equation that includes ln

  • Bgayn
  • · Replies 2 ·
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2

Speed, distance, time and function composition

  • MarkFL
  • · Replies 1 ·
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1

Is f(x,y) = x√(1+y²) + y√(1+x²) associative?

  • I like Serena
  • · Replies 9 ·
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9

Undergrad Find all positive integer solutions to a + b + c = a * b * c

  • jobyts
  • · Replies 2 ·
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2

High School Solving for the Radius of a Circle in a Sector

  • Googl
  • · Replies 1 ·
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1

Polar equation of a conic (Carly's question at Yahoo Answers)

  • Fernando Revilla
  • · Replies 1 ·
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1

Max and min distance from pole in polar graphs without inner loops

  • m3dicat3d
  • · Replies 4 ·
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4

How Does Removing the Amplitude Factor Improve Ball Bounce Modelling?

  • Kaspelek
  • · Replies 3 ·
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3

Graduate Solving a^3 + 40033 = b^3 + 39312 = c^3 + 4104 for distinct integers

  • jobsism
  • · Replies 3 ·
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3

Undergrad Solve 8 Coin Riddle with 2 Weighings

  • mia5
  • · Replies 3 ·
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3

Is 5 Less Than the Sum of Square, Cube, and Fourth Roots of 5?

  • anemone
  • · Replies 1 ·
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1

Arrange Numbers for Complete Squares Puzzle

  • Amer
  • · Replies 7 ·
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7

Undergrad Can the 1296 permutation ever be extended?

  • StaffsLebowski
  • · Replies 4 ·
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4

High School How To Create An Arc Of A Circle As A Straight Line?

  • mymachine
  • · Replies 5 ·
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5

Solving for Hyperbolic Tower Equation: F, G, and E

  • vegemite
  • · Replies 1 ·
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1