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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Proof of difference identities for cosine
- PatternSeeker
- · Replies 2 ·
Proof: The product of any 4 consecutive integers
- Animuo
- · Replies 9 ·
Finding the quadrant and value of cos(-65°)
- Krypto78
- · Replies 4 ·
Why is my factoring of x² - 4x + 4 - 4y² different from my teacher's?
- frozonecom
- · Replies 2 ·
Finding gof(x) and foh(x) with exponential and logarithm functions
- DJ-Smiles
- · Replies 3 ·
[cos nt - n.sin nt] rewrite as [cos (nt + tan^-1 n)]
- p75213
- · Replies 2 ·
Cos^2(π/4): Why Does it Equal 1/2?
- CrossFit415
- · Replies 3 ·
Assume that x is a positive multiple of 5 and is greater than 5.
- fleazo
- · Replies 3 ·
Set difference D - B with universal set and element vs set distinction
- Supierreious
- · Replies 1 ·
Algebra Question: 2r - 2s - 1 = 2(r-s-1) + 1 (?)
- Animuo
- · Replies 6 ·
Rate word problem: speed of a plane in still air and distance traveled.
- Juxtaroberto
- · Replies 1 ·
Polar Coordinates: Understanding Negative Distance r
- Peter G.
- · Replies 2 ·
Calculating the points of tangency for two circles given a picture
- arashmobilebo
- · Replies 10 ·
Set Theory : Discrete Mathematics
- Supierreious
- · Replies 6 ·
Tool or software able to find the length of the sides
- hgphtgi
- · Replies 5 ·
Inscribed circle circumference vs triangle perimeter proof
- fleazo
- · Replies 8 ·
Probability That They Are One Red, One White And One Blue Balls
- chikis
- · Replies 10 ·
What is the remainder when 25! is divided by 29?
- Saitama
- · Replies 35 ·
Prove trig identity from postimage
- Aaron H.
- · Replies 6 ·
How do you find out the exponent if you can't use logs?
- priceofcarrot
- · Replies 5 ·
Probability: Discrete Random Variable
- stosw
- · Replies 7 ·
How To Find The Factors Of THis Quadratic Equation?
- optics.tech
- · Replies 6 ·
What Kind of Analysis Can Be Done on These Graphs?
- kmgraju
- · Replies 3 ·
Find all 2x2 matrices such that A=A^-1
- autodidude
- · Replies 5 ·
Finding the length of an intersection Of 2 planes
- Plutonium88
- · Replies 5 ·
Question regarding binomial theorem.
- sankalpmittal
- · Replies 5 ·
Vector And Scalar Equations Of A Plane
- Plutonium88
- · Replies 6 ·
Find sin(θ + π/6), cos(5π/3 - θ), cos(2θ), csc(π/2 - θ) given sin(θ) = 3/5 in Quad II
- MathRaven
- · Replies 9 ·
Linear System Solutions for a Unique Value of a | Math 115 Homework
- JettyZ
- · Replies 4 ·
Understanding Parallel Vectors: Solving for t with c = 3i + 4j and d = i -2j
- phospho
- · Replies 4 ·
Solving the Cable Box Replacement Problem: What's the Best Option?
- vjraman
- · Replies 2 ·
Positive integer solutions to a!b!=a!+b!+c!
- FeDeX_LaTeX
- · Replies 10 ·
A Number Made Up Of Two Digits
- chikis
- · Replies 19 ·
Summation of a Logarithmic Series
- S.R
- · Replies 6 ·
Trigonometry elementary problem
- sambarbarian
- · Replies 9 ·
Bearings (compass headings) question high school
- phospho
- · Replies 9 ·
Non-linear function - Cubic and Quadratic functions
- wilfredkwok
- · Replies 18 ·
Do sine addition formula proofs apply to angles larger than 90°?
- Flumpster
- · Replies 2 ·
Analytic Geometry Question (equation of a circle)
- vodkasoup
- · Replies 5 ·
Maximize area of rectangle inside a circle
- Feodalherren
- · Replies 5 ·
Calculating asymptote of the function
- Zenga
- · Replies 10 ·
A man standing x ft. from a light pole, length of man's shadow?
- Feodalherren
- · Replies 3 ·
Calculate cos(θ/2) Given sin(θ)=-5/13
- MathRaven
- · Replies 2 ·
Prove problem involving sec cos sin
- MathRaven
- · Replies 1 ·
Triangle inside circle, find area of circle.
- Feodalherren
- · Replies 22 ·
Divisibility Proof: 9^n-5^n is Divisible by 4
- odolwa99
- · Replies 2 ·
Use algebra to find the x and y intercepts , for a quadratic equation
- duggielanger
- · Replies 8 ·
How Do You Solve This Complex Logarithmic Equation?
- Prototype44
- · Replies 8 ·
How can I factor a 3rd order polynomial using the cubic formula?
- Kiwiro0ls
- · Replies 5 ·
Sum of the Values of X, Exponential Equation
- wiraimperia
- · Replies 7 ·
Simultaneous equations with 3 Unknowns
- Krypto78
- · Replies 12 ·
Finding AQ in terms of vectors AP and AD in a square
- wiraimperia
- · Replies 7 ·
Finding the general expression of the nth term
- superconduct
- · Replies 5 ·
Heights and distances (Trigno.)
- Kartik.
- · Replies 2 ·
How Do You Solve for Theta in Goniometric Equations?
- The Alchemist
- · Replies 5 ·
Range of values in regards to quadratics and discriminant
- ybhathena
- · Replies 1 ·
Solving ln(x) = x - 2 exactly
- Hertz
- · Replies 9 ·
Trigonometry: At which quadrant should the angle lie?
- LiHJ
- · Replies 2 ·
[Statistics] Obtaining test statistic in short problem
- ozill
- · Replies 5 ·
Solving linear system of congruences
- lveenis
- · Replies 9 ·
What exactly is this question acting?
- xdrgnh
- · Replies 3 ·
Proving the trigonometric identity
- justwild
- · Replies 12 ·
Is the Function u(c, l) = 20000c + c^2 + l Quasiconcave?
- Alesak
- · Replies 2 ·
Simplifying sin(nx/2)/sin(x/2) using trig identities
- kqwan
- · Replies 1 ·
Impossible pre cal question Give formula for the graph of the polynominal
- xdrgnh
- · Replies 29 ·
How to Determine Where a Sine/Cosine Graph Intersects the X-Axis
- biologystu
- · Replies 2 ·
Statistics and independent variables
- Cinitiator
- · Replies 1 ·
Balancing Areas of Two Rectangles
- Maccadin
- · Replies 8 ·
Inequality with modulus question
- vodkasoup
- · Replies 6 ·
Solving Exponents: Dividing \frac{xa+b}{xa-2b}
- Gregory.gags
- · Replies 2 ·
How can I solve for U2 in this equation?
- manal950
- · Replies 11 ·
Proving inequality bounds on √(a²−b²) approximation error
- Alephu5
- · Replies 1 ·
Carbon-14 half-life decay equation with 7/8 decay
- Gregory.gags
- · Replies 8 ·
Explain how two angles are equal
- Toranc3
- · Replies 3 ·
Matrix Equation AXB=C solve for X
- Sage Sky
- · Replies 6 ·
Simplifying an algebraic fraction with factors
- vodkasoup
- · Replies 3 ·
Why do I have to multiply by -1 when simplifying (sometimes)
- Jherek
- · Replies 5 ·
What is the area of this part of a circle?
- kaizokonpaku
- · Replies 12 ·
What does the notation n|q mean?
- Saitama
- · Replies 2 ·
Finding angle B in a triangle given angle C is 55 degrees
- hvidales
- · Replies 10 ·
Dividing exponents, Why don't I use BEDMAS for this?
- Gregory.gags
- · Replies 8 ·
Exponential decay, but results reach 0
- priceofcarrot
- · Replies 6 ·
Understanding Conditional Probabilities
- CmdrGuard
- · Replies 3 ·
Correctness of my equation relative to the standard given in the text
- GOPgabe
- · Replies 4 ·
Geometric sequence, find the best interest option over a year
- thekopite
- · Replies 2 ·
Rearrange this equation to make x the subject
- autodidude
- · Replies 13 ·
Proving this trigonometric identity
- hms.tech
- · Replies 6 ·
Difference between sample standard deviation and population standard deviation?
- NewtonianAlch
- · Replies 4 ·
How can I solve for u and ultimately find ω in this equation?
- baby_1
- · Replies 10 ·
Solving equation with cube roots.
- chingel
- · Replies 2 ·
Rounding 14.45 to the nearest integer
- arroy_0205
- · Replies 2 ·
What is the Inverse of Exponential Functions with Different Bases?
- ishant
- · Replies 7 ·
First four terms of (1−3x)^(3/2) and approximating √97
- naden1
- · Replies 4 ·
Small trig substitution problem.
- ozone
- · Replies 5 ·
Sum sequence of a geometric series
- thekopite
- · Replies 4 ·
What is the sum of a finite series with a constant p and variable n?
- Luke77
- · Replies 8 ·
Why does the inverse of y = x² - 4 have a ± symbol?
- priceofcarrot
- · Replies 8 ·
Using e to determine population growth?
- moonman239
- · Replies 6 ·
How to interpret this Sigma notation.
- kieth89
- · Replies 6 ·
Factoring problem gives different result with a=2
- Government$
- · Replies 11 ·