Free pre-calculus mathematics homework help from qualified mentors. Math courses prior to calculus homework. Please use the template when requesting help and show your work.
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Are two signals that make up a periodic signal necessarily periodic?
- ChickenChakuro
- · Replies 2 ·
Things i forgot how to do/unsure about. Porabola stuff
- MrNonexistent
- · Replies 4 ·
Using the Mersenne Twister algorithm to estimate pi with Monte Carlo simulation
- bobsmiters
- · Replies 2 ·
How to Simplify Trig Identity Proofs?
- VanKwisH
- · Replies 27 ·
Factoring a - b using square roots
- rocomath
- · Replies 15 ·
How to Understand Basic Geometry Theorems for Circles?
- disregardthat
- · Replies 8 ·
Final exam score needed for 90 average with weighted final
- Holocene
- · Replies 5 ·
How to Factor Quadratic Equations with Two Variables?
- MrNonexistent
- · Replies 12 ·
Patterns in products like (a+b+c)(a+b-c)
- rocomath
- · Replies 2 ·
What is the estimated cubic function for given x and y-intercepts?
- ShawnPrend
- · Replies 3 ·
Solve Combination Problem: Choose 4 Shoes from 5 Pairs
- ron_jay
- · Replies 2 ·
Simplify (cos A + 1) / cos A
- dandirom
- · Replies 2 ·
Proving a trigonometric identity with tan and sin
- krogsty
- · Replies 16 ·
How do I solve y = x^x for x?
- Izzhov
- · Replies 8 ·
Solve System of Eqs: Miles, Time, Boat, Current
- NoPhysicsGenius
- · Replies 6 ·
Few questions on proving identities
- VanKwisH
- · Replies 11 ·
How Do You Solve (1+x)e^-x = 0.5 for x?
- Xeract
- · Replies 12 ·
Simplify this equation and express it as a radical
- justinepearle
- · Replies 7 ·
Football field goal trajectory using completing the square
- night_stroller
- · Replies 5 ·
Constructing a finite field with 10^9 to 10^10 elements in Mathematica
- Granit_niti
- · Replies 3 ·
Mechanics Projectile Questions
- thomas49th
- · Replies 2 ·
A very simple primary school question?
- hanson
- · Replies 3 ·
What does the colon mean in set-builder notation for functions?
- vaazu
- · Replies 2 ·
How to Select a Project Team: Calculating Combinations and Probabilities
- pauliedangerous
- · Replies 2 ·
Rearranging a quadratic equation to make t the subject
- madmike159
- · Replies 2 ·
Solving Sin and Tan Inequalities: Simple Methods for x > 0 and x in (0, Pi/2)
- wowolala
- · Replies 6 ·
Simplifying with Pythagorean identites.
- Corkery
- · Replies 4 ·
Solving Logarithms Questions - Matt's Attempt
- monkeyhead
- · Replies 3 ·
Solving sin(ax)+bx=0 for given parameters a and b
- lxd
- · Replies 28 ·
Graph the Transformation of f(x) to g(x)
- projection
- · Replies 7 ·
Can I Factorize an Expression with No GCF?
- Theinvoker
- · Replies 4 ·
Solve X in 4.59 x 10^-4 = Sin^3(x)/Cos(x)
- mrroboto
- · Replies 9 ·
How Do You Convert Between HT(t), FT(t), and fT(t) in Probability Calculations?
- estado3
- · Replies 2 ·
How Do You Solve Trigonometric Equations for Angles Between 0 and 180 Degrees?
- babacanoosh
- · Replies 43 ·
Solving an Equation Involving Trigonometric Functions
- tornzaer
- · Replies 7 ·
Logarithms and Exponents Question
- aquamarine08
- · Replies 5 ·
How Do You Calculate Sine from a Point on an Angle's Terminal Side?
- danglade
- · Replies 6 ·
The Power Cable Voltage Sinusoid Word Problem Question (How do you obtain C?)
- NastyAccident
- · Replies 4 ·
Trig Unit Circle applications
- Live4eva_2
- · Replies 4 ·
Solving tan²x = 2tan(x)sin(x)
- TbbZz
- · Replies 3 ·
Solving Trigonometric Equations: Divide by Cosine
- TbbZz
- · Replies 3 ·
Prove cos²x - cos⁴x = cos²x sin²x
- tornzaer
- · Replies 7 ·
Prove (sinx - cosx)(sinx + cosx) = 2sin²x - 1
- tornzaer
- · Replies 4 ·
Parabola: Finding (x,y) Pairs Without Crossing Curve
- mojki1
- · Replies 5 ·
How do I convert linear equations to slope-intercept form?
- torid
- · Replies 4 ·
What is the missing piece in proving A=0 when A(A*)=0?
- mathboy
- · Replies 3 ·
Finding zeros of x³ - 2x² - 11x + 52
- DumbKid88
- · Replies 5 ·
Solving a Square Root Equation with Fractional Coefficients
- Quinn Morris
- · Replies 17 ·
Fairly basic trigonometric equation
- intangible
- · Replies 5 ·
How do I solve a quadratic equation with absolute value?
- Quinn Morris
- · Replies 4 ·
How Do You Factor a Cubic Equation Like a³c - a³b + b³a - b³c + c³b - c³a?
- bizkut
- · Replies 4 ·
Finding sin x and cos x when tan 2x = -24/7
- glass.shards
- · Replies 2 ·
Does This Limit Chart Indicate a Nonexistent Limit?
- m_s_a
- · Replies 12 ·
Why is 8 times 7 wrong for counting handshakes between 8 people?
- Kenny09
- · Replies 7 ·
Factorising a cubic polynomial
- PlasmaSphere
- · Replies 10 ·
Linear Algebra: given adj(A) find A
- mbrmbrg
- · Replies 8 ·
What is the solution to (cosx)^2 - 2sinxcosx - (sinx)^2 = 0, 0 ≤ x ≤ 2π?
- glass.shards
- · Replies 8 ·
Gradient of the tangent to the curve question
- Hannelore
- · Replies 1 ·
Intersection of 2sin(x/2) and 3cos(x/3) on 0<x<4π
- stunner5000pt
- · Replies 1 ·
Factor: Y to the 4th power -81
- mcrfan
- · Replies 8 ·
Hieght of a volume in a cylinder on its side, with known volume.
- GeorgeWBush
- · Replies 2 ·
Extracting Rotation from a Scaling and Rotation Matrix
- makc
- · Replies 5 ·
Help with 15 trigonometric identities problems
- spedman
- · Replies 11 ·
Solving for C: Different Ways to Label Vertices of a Rectangle
- L²Cc
- · Replies 6 ·
Finding unique nonzero digits for A * [(B + C)(D - E) - F(G*H) ] / J = 10
- Ben Fido
- · Replies 4 ·
Indefinite Integration Problem
- ron_jay
- · Replies 21 ·
Finding original price when new price is 36% more
- bcdecimator
- · Replies 10 ·
What is the largest possible error in the component?
- jesuslovesu
- · Replies 1 ·
Differentiaitng Problem (dy/dx)
- Cate
- · Replies 6 ·
What is the Expected Number of Defective Keyboards?
- kevykevy
- · Replies 2 ·
How to improve accuracy with basic arithmetic
- ghost02
- · Replies 9 ·
Why is cot x = 0 equal to 3π/2 + 2πk?
- starchild75
- · Replies 14 ·
What is the Demoivre Theorem for solving complex numbers?
- John O' Meara
- · Replies 14 ·
Does the absolute value definition apply to both x and |x|?
- rocomath
- · Replies 5 ·
Notation or whatever you want to call it
- rocomath
- · Replies 2 ·
How to start with this math limit
- Petkovsky
- · Replies 4 ·
Rearranging the decibel formula for ILS glideslope DDM calculations
- mcalves
- · Replies 11 ·
How to Prove tan(a - b) = tana - tanb without using a prefix?
- Quinn Morris
- · Replies 3 ·
Calculating Area of Sector in Shaded Part of Diagram
- garyadamson
- · Replies 5 ·
Just getting started with this proof
- Scorpino
- · Replies 11 ·
Calculating Average Wait Time for a McDonald's Drive-Through Window
- tachu101
- · Replies 3 ·
Set of points X where AX² + BX² = AB²
- rocomath
- · Replies 7 ·
Vertical/Horizontal Asymptotes
- tachu101
- · Replies 2 ·
Calculating Probability of Drawing Cards from a Deck
- mayra1223
- · Replies 4 ·
Stuck on logarithm problems, need calculus textbook suggestions
- Direlect
- · Replies 17 ·
Life of batteries (Probability)
- ja404
- · Replies 14 ·
Probability of Picking a Black Marble from 2nd Urn
- sstudent
- · Replies 5 ·
How does coset decoding work?
- kirti.1127
- · Replies 2 ·
Proving three quadrilaterals cyclic with squares on a right triangle
- lolerlol
- · Replies 1 ·
Finding total boxes when 11 large boxes contain 8 medium and 8 small boxes each
- atwarwithmaths
- · Replies 7 ·
Geometric series convergence with ratio r = 5x/(4+x²)
- rock.freak667
- · Replies 2 ·
I think this should be simple, but i
- ethanmuncher
- · Replies 10 ·
Simplifying sqrt(4t^2+4+1/t^2) to (1+2t^2)/t
- snoggerT
- · Replies 2 ·
How can population growth be modeled using a simple equation?
- rock.freak667
- · Replies 5 ·
Is It Permutation or Combination for Arranging Books with Specific Conditions?
- sebastianbravom
- · Replies 2 ·
How do I calculate magnitude on the Richter scale?
- Macleef
- · Replies 1 ·
Efficient Calculation of Combinations with a Fixed Number of Elements
- ryt
- · Replies 8 ·
Solving sin(60-x)=2sin(x) for x
- PHK
- · Replies 3 ·
Solve cosxcos(-x) - sinxsin(-x) = 1
- ravey_dotson
- · Replies 7 ·
Logarithms disinfectant spray problem
- XJellieBX
- · Replies 5 ·