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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Why Do Cosine and Sine Give Different Angles for the Same Vector?
- k_squared
- · Replies 1 ·
Orthogonal Matrix - Linear Algebra
- carrotcake10
- · Replies 1 ·
Finding TK in a right triangle where TN=NK, ST=12, SN=√69
- zafer
- · Replies 2 ·
Is n4 - 1 divisible by 5 when n is not divisible by 5?
- GP35
- · Replies 3 ·
Do you know how to find the equation of lines?
- crouch88
- · Replies 7 ·
What is the angle between an arrow and a plane?
- Anden
- · Replies 3 ·
Can Geometry and Algebra Explain a Triangle's Romance with a Parabola?
- crouch88
- · Replies 5 ·
Cell tower coverage area and equidistant tower location
- Xhanger
- · Replies 8 ·
Prove an integral identity using Bessel function recurrence relations
- horn
- · Replies 2 ·
Finding four stationary points of u(x,y) = 4x³ − 18x²y + 24xy² − 120y
- Jenkz
- · Replies 4 ·
Is f a step function if 1, 2, and 3 hold?
- Kate2010
- · Replies 7 ·
Why does f(kx) = kx - [kx] produce N+1 values in [i/N, (i+1)/N]?
- penguin007
- · Replies 5 ·
Why Is 0 Divided by 0 Undefined?
- lifelearner
- · Replies 34 ·
Mechanics : Equations of motion.
- Maatttt0
- · Replies 4 ·
How Many Terms Are Needed for 0.01 Accuracy in an Alternating Series?
- WayneH
- · Replies 1 ·
Solve for t: Rearrange Equation σ=ωi*t+½α*t^2
- oj600
- · Replies 2 ·
When are f∘(g∘h) and h∘(g∘f) both valid and equal?
- Hobold
- · Replies 7 ·
Understanding Trigonometric Functions for Negative Integers and Rational Numbers
- thereddevils
- · Replies 11 ·
Finding function f for IMO equation f(x+xy+f(y))=(f(x)+1/2)²
- GBarboza
- · Replies 2 ·
Calculating all possible relations of 2 sets?
- silecsm
- · Replies 1 ·
Introducing Gaussian errors to data (Matlab)
- seal22
- · Replies 1 ·
Game Theory -Deletion of strictly dominated strategies
- jb7
- · Replies 2 ·
Bijective function from N to N²?
- Anzewill
- · Replies 2 ·
Creating and using an equation
- Hundra
- · Replies 9 ·
Convert repeating decimal to improper fraction
- oddjobmj
- · Replies 10 ·
Finding a function for the parabola
- Atran
- · Replies 5 ·
Determine the interval of convergence for
- Jamin2112
- · Replies 1 ·
Problem understanding proportions with exponents
- ksinelli
- · Replies 3 ·
Proving the Invertibility of Non-Singular Matrices
- newtomath
- · Replies 3 ·
How to evaluate an infinite series with a geometric pattern?
- oddjobmj
- · Replies 4 ·
Euclidean geometry proof concerning circles
- Maluka8
- · Replies 2 ·
Simplifying (20(4x-1)^4)/(3x+5)^7 - (4x-1)^5/(21(3x+5)^8)
- steve snash
- · Replies 3 ·
Trigonometric identity for inverse tan
- Kat007
- · Replies 7 ·
I think this is simple but I just cant work out how
- oliver.smith8
- · Replies 3 ·
Find the exact value of this inverse function
- 1irishman
- · Replies 14 ·
Form an equation in terms of x
- Gringo123
- · Replies 1 ·
What are some strategies for solving basic summation problems?
- oddjobmj
- · Replies 8 ·
Height of a point on a rotating bicycle wheel as a function of time
- Adam2987
- · Replies 19 ·
Solving Relative Velocity Homework: Man Swimming in River
- Angello90
- · Replies 2 ·
Find an expression in terms of n for summation
- elitewarr
- · Replies 1 ·
Why is √x = −2 not an acceptable root of x − √x − 6 = 0?
- thereddevils
- · Replies 8 ·
Solving cos(2θ) = −cos(θ) for θ between 0 and π/2
- John O' Meara
- · Replies 7 ·
Why Can't I Simplify This Trigonometric Equation?
- Adam2987
- · Replies 8 ·
Testing if blue tit breeding groups had similar synchronization at baseline
- ihearyourecho
- · Replies 1 ·
Calculating Work done by a force
- Eikcuhc
- · Replies 1 ·
Converting 1-5 volt scale to 0-200 bar pressure scale
- !Live_4Ever!
- · Replies 1 ·
Solving Rational Equations: What is the Missing Step?
- Mathnomalous
- · Replies 5 ·
What Are the Solutions to These Function Analysis Problems?
- ScienceNewb
- · Replies 8 ·
What is the moment about point C?
- Angello90
- · Replies 3 ·
Finding the inverse of f(x) = x + 4/x
- elitewarr
- · Replies 2 ·
How to integrate 1/(sin(x)+2)²
- BlackWyvern
- · Replies 4 ·
Hyperbolic Cosine curve fitting
- Denyven
- · Replies 3 ·
Solving for 'a' in a Complex Equation
- Denyven
- · Replies 6 ·
Make value of s in this formula 27S^4
- r-soy
- · Replies 1 ·
How to factor when no common factors?
- Gringo123
- · Replies 9 ·
Suppose 9 cards are numbered with the 9 digits from 1 to 9
- r-soy
- · Replies 2 ·
Horizontal Asymptote of f(x)=x^3+1/x-1: Is it y=x^2?
- thereddevils
- · Replies 4 ·
Solving Probability Problem: 11/20 x 9/19 = 266/380
- Gringo123
- · Replies 4 ·
Sin3x = sinx Solve for x.
- smallbadwolf
- · Replies 6 ·
Inverse Function: Condition for f^(-1) and Example
- thereddevils
- · Replies 2 ·
How to Use Graphical Analysis to Find the Resultant of Vectors?
- kim032688
- · Replies 5 ·
Prize Money for 1st Place in 16 Team Bowling League: $1,930
- r-soy
- · Replies 3 ·
Calculating the Area of a Parallelogram Using Diagonals: A Vector Approach
- Angello90
- · Replies 2 ·
How do you find how far a belt travels using diameter and rps
- daniellen
- · Replies 5 ·
Proving Parallelogram Diagonals Bisect Each Other
- danago
- · Replies 7 ·
Finding exact values of tan165 and tan(13π/12) using compound angles
- misplaced1
- · Replies 2 ·
Write answer in both rectangular from and polar Q in degre
- r-soy
- · Replies 2 ·
Q in permutations and Combinations
- r-soy
- · Replies 1 ·
Max value of x+y (solving a linear system)?
- holezch
- · Replies 1 ·
Finding f∘g and g∘f for piecewise functions
- thereddevils
- · Replies 3 ·
Do We Use Radians or Degrees for Calculating Inverse Tangent Functions?
- r-soy
- · Replies 2 ·
What Does Evaluate Imply in Math Problems?
- Gringo123
- · Replies 4 ·
Is xy^-2z^2 equivalent to xz^2/y^2 in simplification?
- Gringo123
- · Replies 1 ·
Converting square root to perfect square
- cstvlr
- · Replies 4 ·
Finding linear, quadratic, and exponential models for car depreciation data
- Adam2987
- · Replies 12 ·
Use '3 sin x - 4(sin x)^3' to show that if sin x = sin (3x), then sin x = 0 or
- liquidwater
- · Replies 8 ·
Understanding Hyperbolic Functions
- ibysaiyan
- · Replies 3 ·
Problem with integration by parts
- bobey
- · Replies 4 ·
Calculating Box Mass Using Normal Reaction Force and Inclined Angle
- olee
- · Replies 6 ·
What is the difference between the Permutations and combinations
- r-soy
- · Replies 1 ·
Find nth Term of Sequence: n2-2
- Gringo123
- · Replies 1 ·
Finding the Radius of a Paraboloid Spotlight
- r-soy
- · Replies 1 ·
When we use standerd Equation of an ellipse
- r-soy
- · Replies 7 ·
Conic Parabolas in General Form
- chaze
- · Replies 1 ·
Riddle question max profit + units
- MrNeWBiE
- · Replies 24 ·
What Is the Probability of Choosing a Hexadecimal Number with Distinct Digits?
- PolyFX
- · Replies 1 ·
Is the set of four vectors in R³ linearly dependent?
- mexilie
- · Replies 3 ·
Finding F(101) from recursive formula F(n) = F(n-1) + 1/2
- DrummingAtom
- · Replies 2 ·
Solving for Volume Change: A Failed Attempt
- icystrike
- · Replies 3 ·
How to find a vector that is perpendicular to every vector in a linear subspace?
- ohjeezus1
- · Replies 2 ·
Quetion to find the equation of a parabola i want check
- r-soy
- · Replies 1 ·
Antiderivative of x divided by square root of x
- vorcil
- · Replies 14 ·
Why is 10 to the power of 0 equal to 1?
- Deicider
- · Replies 12 ·
Use the definition of a parabola and the distance
- r-soy
- · Replies 10 ·
Finding vertex and intercepts for y = -3x² + 12x - 9 and y = 2x² + 3x + 2
- Everstar
- · Replies 1 ·
Finding derivative of sin^-1 (x^2 + 1)
- thereddevils
- · Replies 9 ·
Writing revenue as a function of x from demand equation x+9p=450
- Everstar
- · Replies 11 ·
Finding complex roots in 4x³ - 32x = -12
- cue928
- · Replies 4 ·
Find the equaion of the parabola
- r-soy
- · Replies 2 ·
What is the Derivative of a Parametric Curve with Trigonometric Functions?
- Jenkz
- · Replies 3 ·