Precalculus Mathematics Homework Help Forum

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.

Threads

Things i forgot how to do/unsure about. Porabola stuff

  • MrNonexistent
  • · Replies 4 ·
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4

Estimating Pi with Twister Algorithm & Monte Carlo Simulation

  • bobsmiters
  • · Replies 2 ·
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2

How to Simplify Trig Identity Proofs?

  • VanKwisH
  • · Replies 27 ·
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27

Is this a legal operation? Gelfand Argh.

  • rocomath
  • · Replies 15 ·
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15

How to Understand Basic Geometry Theorems for Circles?

  • disregardthat
  • · Replies 8 ·
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8

Simple algebra problem: Check my work please?

  • Holocene
  • · Replies 5 ·
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5

How to Factor Quadratic Equations with Two Variables?

  • MrNonexistent
  • · Replies 12 ·
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12

Discovering Patterns in the Difference of Squares Equation

  • rocomath
  • · Replies 2 ·
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2

What is the estimated cubic function for given x and y-intercepts?

  • ShawnPrend
  • · Replies 3 ·
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3

Solve Combination Problem: Choose 4 Shoes from 5 Pairs

  • ron_jay
  • · Replies 2 ·
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2

Explanation:Trigonometry: Simplifying (cos A + 1) / cos A Step by Step

  • dandirom
  • · Replies 2 ·
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2

Is This Trigonometric Identity Solvable?

  • krogsty
  • · Replies 16 ·
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16

Solve y=x^x for x: Logarithmic Equations

  • Izzhov
  • · Replies 8 ·
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8

Solve System of Eqs: Miles, Time, Boat, Current

  • NoPhysicsGenius
  • · Replies 6 ·
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6

Few questions on proving identities

  • VanKwisH
  • · Replies 11 ·
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11

How Do You Solve (1+x)e^-x = 0.5 for x?

  • Xeract
  • · Replies 12 ·
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12

Simplify this equation and express it as a radical

  • justinepearle
  • · Replies 7 ·
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7

Solve for Football Field Goal: Height & Time Calculations"

  • night_stroller
  • · Replies 5 ·
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5

Help me construcing finite field,

  • Granit_niti
  • · Replies 3 ·
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3

Mechanics Projectile Questions

  • thomas49th
  • · Replies 2 ·
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2

A very simple primary school question?

  • hanson
  • · Replies 3 ·
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3

Question about the definition of functions

  • vaazu
  • · Replies 2 ·
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2

How to Select a Project Team: Calculating Combinations and Probabilities

  • pauliedangerous
  • · Replies 2 ·
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2

Can anyone help me rearrange this quadratic equation for t?

  • madmike159
  • · Replies 2 ·
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2
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6

Simplifying with Pythagorean identites.

  • Corkery
  • · Replies 4 ·
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4

Solving Logarithms Questions - Matt's Attempt

  • monkeyhead
  • · Replies 3 ·
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3

Solving sin(ax)+bx=0 for Homework Equations

  • lxd
  • · Replies 28 ·
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28

Graph the Transformation of f(x) to g(x)

  • projection
  • · Replies 7 ·
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7

Can I Factorize an Expression with No GCF?

  • Theinvoker
  • · Replies 4 ·
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4

Solve X in 4.59 x 10^-4 = Sin^3(x)/Cos(x)

  • mrroboto
  • · Replies 9 ·
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9
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2

How Do You Solve Trigonometric Equations for Angles Between 0 and 180 Degrees?

  • babacanoosh
  • · Replies 43 ·
2
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43

Solving an Equation Involving Trigonometric Functions

  • tornzaer
  • · Replies 7 ·
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7

Logarithms and Exponents Question

  • aquamarine08
  • · Replies 5 ·
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5

How Do You Calculate Sine from a Point on an Angle's Terminal Side?

  • danglade
  • · Replies 6 ·
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6

The Power Cable Voltage Sinusoid Word Problem Question (How do you obtain C?)

  • NastyAccident
  • · Replies 4 ·
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4

Trig Unit Circle applications

  • Live4eva_2
  • · Replies 4 ·
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4

Can You Solve This Trigonometric Equation 2 Homework Problem?

  • TbbZz
  • · Replies 3 ·
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3

Solving Trigonometric Equations: Divide by Cosine

  • TbbZz
  • · Replies 3 ·
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3

Simplifying Trig Identity: cos^2x - cos^4x = cos^2x sin^2x

  • tornzaer
  • · Replies 7 ·
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7

Trig Identity Homework: Solving Equations with Sin and Cos Functions

  • tornzaer
  • · Replies 4 ·
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4

Parabola: Finding (x,y) Pairs Without Crossing Curve

  • mojki1
  • · Replies 5 ·
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5

Solving Linear Equations: Inconsistent, Dependent & Independent

  • torid
  • · Replies 4 ·
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4

What is the missing piece in proving A=0 when A(A*)=0?

  • mathboy
  • · Replies 3 ·
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3

Yet another dumb question (zeros of a cubic function)

  • DumbKid88
  • · Replies 5 ·
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5

Solving a Square Root Equation with Fractional Coefficients

  • Quinn Morris
  • · Replies 17 ·
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17

Fairly basic trigonometric equation

  • intangible
  • · Replies 5 ·
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5

How do I solve a quadratic equation with absolute value?

  • Quinn Morris
  • · Replies 4 ·
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4
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4

Exact Values of sinx & cosx for tan2x=-24/7

  • glass.shards
  • · Replies 2 ·
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2

Does This Limit Chart Indicate a Nonexistent Limit?

  • m_s_a
  • · Replies 12 ·
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12

Solving Combination Questions: 8 People and Handshakes

  • Kenny09
  • · Replies 7 ·
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7

Factorising a cubic polynomial

  • PlasmaSphere
  • · Replies 10 ·
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10

Linear Algebra: given adj(A) find A

  • mbrmbrg
  • · Replies 8 ·
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8

What is the solution to (cosx)^2 - 2sinxcosx - (sinx)^2 = 0, 0 ≤ x ≤ 2π?

  • glass.shards
  • · Replies 8 ·
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8

Gradient of the tangent to the curve question

  • Hannelore
  • · Replies 1 ·
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1

Solving a trigonometric equation

  • stunner5000pt
  • · Replies 1 ·
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1

Factor: Y to the 4th power -81

  • mcrfan
  • · Replies 8 ·
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8

Hieght of a volume in a cylinder on its side, with known volume.

  • GeorgeWBush
  • · Replies 2 ·
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2

Extracting Rotation from a Scaling and Rotation Matrix

  • makc
  • · Replies 5 ·
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5
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11

Solving for C: Different Ways to Label Vertices of a Rectangle

  • L²Cc
  • · Replies 6 ·
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6

Integer solutions for equations A * [(B + C)(D - E) - F(G*H) ] / J = 1

  • Ben Fido
  • · Replies 4 ·
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4

Indefinite Integration Problem

  • ron_jay
  • · Replies 21 ·
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21

My math teacher gav me this question

  • bcdecimator
  • · Replies 10 ·
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10

What is the largest possible error in the component?

  • jesuslovesu
  • · Replies 1 ·
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1

Differentiaitng Problem (dy/dx)

  • Cate
  • · Replies 6 ·
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6

What is the Expected Number of Defective Keyboards?

  • kevykevy
  • · Replies 2 ·
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2

Improve Your Arithmetic Accuracy with These Helpful Tips

  • ghost02
  • · Replies 9 ·
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9

Solving cot x = 0: Step-by-Step Guide

  • starchild75
  • · Replies 14 ·
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14

What is the Demoivre Theorem for solving complex numbers?

  • John O' Meara
  • · Replies 14 ·
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14

General question, inequalities and graphing

  • rocomath
  • · Replies 5 ·
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5

Notation or whatever you want to call it

  • rocomath
  • · Replies 2 ·
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2

How to start with this math limit

  • Petkovsky
  • · Replies 4 ·
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4

Is There Another Way to Rearrange This Formula for ILS Glideslope?

  • mcalves
  • · Replies 11 ·
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11

How to Prove tan(a - b) = tana - tanb without using a prefix?

  • Quinn Morris
  • · Replies 3 ·
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3

Calculating Area of Sector in Shaded Part of Diagram

  • garyadamson
  • · Replies 5 ·
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5

Just getting started with this proof

  • Scorpino
  • · Replies 11 ·
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11

Calculating Average Wait Time for a McDonald's Drive-Through Window

  • tachu101
  • · Replies 3 ·
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3

Finding X: Solving for Points on a Circle with Given A and B Values

  • rocomath
  • · Replies 7 ·
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7

Vertical/Horizontal Asymptotes

  • tachu101
  • · Replies 2 ·
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2

Calculating Probability of Drawing Cards from a Deck

  • mayra1223
  • · Replies 4 ·
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4

Newbie Seeks Math Assistance: Log Questions & Calculus Textbooks

  • Direlect
  • · Replies 17 ·
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17

Life of batteries (Probability)

  • ja404
  • · Replies 14 ·
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14

Probability of Picking a Black Marble from 2nd Urn

  • sstudent
  • · Replies 5 ·
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5

Understanding Coset Decoding: Resources & Explanations

  • kirti.1127
  • · Replies 2 ·
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2

Proving the Cyclic Quadrilaterals in Altitudes Problem | Geometry Help

  • lolerlol
  • · Replies 1 ·
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1

Help with empty boxesalgorithmic problem.

  • atwarwithmaths
  • · Replies 7 ·
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7

Quick help in Geometric series question

  • rock.freak667
  • · Replies 2 ·
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2

I think this should be simple, but i

  • ethanmuncher
  • · Replies 10 ·
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10

Reducing Sqrt(4t^2+4+1/t^2): Calculus Problem Help

  • snoggerT
  • · Replies 2 ·
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2

How can population growth be modeled using a simple equation?

  • rock.freak667
  • · Replies 5 ·
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5

Is It Permutation or Combination for Arranging Books with Specific Conditions?

  • sebastianbravom
  • · Replies 2 ·
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2

Logarithmic Scale Calculation | Ritcher Scale Homework Example

  • Macleef
  • · Replies 1 ·
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1
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8

Solving for X: Simplified Sin(60-x)=2sinx Equation

  • PHK
  • · Replies 3 ·
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3

Solve cosxcos(-x) - sinxsin(-x) = 1

  • ravey_dotson
  • · Replies 7 ·
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7

Logarithms disinfectant spray problem

  • XJellieBX
  • · Replies 5 ·
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5

Maximizing a rectangle with a semicircle on top

  • JackJames54
  • · Replies 6 ·
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6