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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Can You Solve this Trig Inverse Equation with arctan and arctan?
- JoshB645
- · Replies 1 ·
Proving sec⁶x - tan⁶x = 1 + 3sec²x tan²x
- happyg1
- · Replies 2 ·
Can Function Limits Vary with Different Approaching Values?
- Abukadu
- · Replies 1 ·
Difficult Trig Identity (no double ange, power reducing formulas)
- Alex1067
- · Replies 16 ·
Proving Continuity of a Rational Function
- Дьявол
- · Replies 6 ·
What Does a Non-Zero Vector Imply?
- thomas49th
- · Replies 1 ·
Statistics Expected Variable Question
- thomas49th
- · Replies 1 ·
Can You Find the Complex Roots of x³ - 64 = 0?
- thomas49th
- · Replies 14 ·
Relearning a little bit of trig
- dolomite
- · Replies 7 ·
Why is cos²x = 1/2 + cos(2x)/2?
- leopard
- · Replies 4 ·
How can I calculate my savings with varying deposits using the interest formula?
- Unassuming
- · Replies 1 ·
Max Value of r1+r2 in Inscribed Circles of Semicircle
- ritwik06
- · Replies 3 ·
What is the maximum height reached by a flying cow launched from a castle?
- AdamNailor
- · Replies 6 ·
Trig Formula and Exact Value for sin[(2pi/3) + pi]
- TayTayDatDude
- · Replies 2 ·
Relationships between first and second derivatives
- madgab89
- · Replies 3 ·
How Can You Simplify Problems Involving Variables in Three Dimensions?
- timscully
- · Replies 4 ·
Are These T-Test and Effect Size Calculations Correct?
- nobahar
- · Replies 2 ·
Symmetricity of exponential graphs
- asd1249jf
- · Replies 11 ·
Solve Trig Equation #2 on 0<=theta<=2pi
- Draggu
- · Replies 7 ·
Show numerator < 5 and denominator > 3(1 - |z|)
- asi123
- · Replies 12 ·
How Do I Prove This Vector Space Equality?
- asi123
- · Replies 2 ·
How do I solve this trigonometry equation involving sine and cosine?
- Draggu
- · Replies 19 ·
Sum 1 + a + a^2 + ... + a^(p-2) congruent to 0 mod p
- Ed Aboud
- · Replies 10 ·
Prove 1-cos x / sin x = sin x / 1+cos x
- Gaara09
- · Replies 11 ·
Finding # of Sides in Polygon Given Measure of Interior Angle
- dustie
- · Replies 4 ·
Two questions - (a) Differentiating inverse trig function and (b) vector
- andrew.c
- · Replies 5 ·
Unsure how to work algebra problem
- snoggerT
- · Replies 16 ·
Finding the Reference Number for t Values
- nikita33
- · Replies 4 ·
What base makes 121 equal to decimal 324?
- marcuss
- · Replies 3 ·
Solving 2log₂x = 1 + log_a(7x − 10a) for x
- icystrike
- · Replies 10 ·
Probability of Winning/Losing given the number of Wins/Losses/Draws
- wanchosen
- · Replies 2 ·
Confirm my answer and solve the next step
- battery2004
- · Replies 3 ·
Question from test capabilities
- m_s_a
- · Replies 1 ·
How Do You Calculate Modulus and Perform Operations on Complex Numbers?
- alpha01
- · Replies 2 ·
Forgot how to graph sin graphs(translation)
- HelloMotto
- · Replies 2 ·
P-chart control limits for rubber belt lots of 2,500 units
- axnman
- · Replies 1 ·
Triactor bet probability with 7 horses
- wk1989
- · Replies 8 ·
Failing at projection question
- reha
- · Replies 1 ·
Help Solving Momentum Problem with 3 Kids and a Cart
- canadianballa
- · Replies 10 ·
How do you graph a parabola that doesn't cross the x or y axis?
- offtheleft
- · Replies 25 ·
Find the exact value of sin(W+T)
- TayTayDatDude
- · Replies 24 ·
Finding Integer Sided Isosceles Triangles with Perimeter 2008
- ritwik06
- · Replies 5 ·
Solve the simultaneous equation:
- d3v3st4t10n
- · Replies 8 ·
Vectors - Prove the following relation about the centroid
- ritwik06
- · Replies 3 ·
Finding the determinant of a 4×4 matrix with a+1 on the diagonal
- archita
- · Replies 10 ·
Radian Measure and the Unit Circle
- Sean Cook
- · Replies 4 ·
Why sin(x)/x ≠ 1 near x = 0 and other limit questions
- Дьявол
- · Replies 7 ·
Matrices and Invertible Linear Transformations
- war485
- · Replies 1 ·
How do I complete the square to find circle center and radius from x²+y²-4x+2y+6=0?
- kLownn
- · Replies 11 ·
Find the Exact Value of arcsin(sin(5pi/9))
- math_help
- · Replies 2 ·
How to Prove a Difficult Trig Identity?
- soccertev
- · Replies 23 ·
Sequences/Series Sigma Question
- JBD2
- · Replies 4 ·
FInd the work done when a cnstant force applied to an object
- eddwinn
- · Replies 1 ·
Write a matrix to display the information: x=-10.
- trujaxchik
- · Replies 4 ·
Paradox of Obtuse Angles in the Sine Rule
- ritwik06
- · Replies 4 ·
Proving cos2A/(1+sin2A) = (cotA-1)/(cotA+1)
- Draggu
- · Replies 12 ·
Calculating Real GDP Growth with Nominal GDP and Inflation Rates
- MaxManus
- · Replies 3 ·
How Can I Prove That B^3 Equals 7B Minus 6I Using Matrix B?
- natural
- · Replies 8 ·
Simple factoring after differentiating.
- calisoca
- · Replies 4 ·
Proofs: Logarithm - Clues for Understanding
- Abukadu
- · Replies 4 ·
Proving GCD(a,b)*LCM(a,b) = ab
- MatheMatt
- · Replies 2 ·
How Do You Solve Exponential Equations Using Logarithms?
- moe11
- · Replies 4 ·
Solving problems using Half Angle identities
- saychanh
- · Replies 2 ·
Limit of (√(x+a²)−a)/(√(x+b²)−b) as x→0
- Дьявол
- · Replies 21 ·
Convert the polar equation into rectangular coordinates
- louie3006
- · Replies 6 ·
Find sin x + cos x given sin x + sin y = a and cos x + cos y = a
- icystrike
- · Replies 14 ·
Proving 1/k = (1-sin x)/cos x given k = (1+sin x)/cos x
- icystrike
- · Replies 2 ·
How do I find the vertex of y = (x + 2)² - 3?
- Kristinanne
- · Replies 10 ·
How Do Trigonometric Identities Relate to Each Other?
- HelloMotto
- · Replies 4 ·
2 vectors orthogonal to 3 4-d vectors
- Damascus Road
- · Replies 4 ·
Finding the standard matrix for a linear operator T
- Damascus Road
- · Replies 1 ·
Distributing 3 pears and 4 apples to 9 people with one fruit per person
- tgt
- · Replies 5 ·
What Are the X-Intercepts of a Parabola?
- Kristinanne
- · Replies 2 ·
Setting up equations for martian eyes and heads problem
- 1calculus1
- · Replies 1 ·
Finding the normal to a cubic curve and its turning points
- Run Haridan
- · Replies 1 ·
How to Solve a Cubic System by Eliminating Variables?
- Dorotea
- · Replies 4 ·
Find the limit of (sqrt(1+x) - 1)/(cuberoot(1+x)-1) as x->0
- sara_87
- · Replies 6 ·
Solving for Line L1: Finding equation of Line L1
- ritwik06
- · Replies 5 ·
Prove an expression is not a square
- hew
- · Replies 2 ·
Calculating Unit Vectors and Angles
- andrew.c
- · Replies 4 ·
Orthogonal Projection Matrices for Points on Subspaces in R^3
- forty
- · Replies 2 ·
Finding optimal height to hang a painting 3m away
- acidxc
- · Replies 1 ·
Solve for y: Find Ratio of E Dividing CA in Triangle AOB
- ritwik06
- · Replies 2 ·
Cant work this out, why is it happening,
- devanlevin
- · Replies 5 ·
Factorising Equation for dI/dθ = 0 with I = 0.8x10^-5 and Cosine Functions
- kasse
- · Replies 2 ·
Finding unknown quadratic equations
- madgab89
- · Replies 7 ·
Solving quadratic equations ( finding the value of x)
- Zyne
- · Replies 3 ·
Solving 4^(x+1) = 8^(x-1) using logarithms
- nikita33
- · Replies 7 ·
Solve log(x²) + log(x) - log(2.7) = log(10) for x
- nikita33
- · Replies 4 ·
Simple problem - cant spot my own mistake
- synthetic.
- · Replies 2 ·
Solving a Trig Equation (Correct?)
- whyorwhynot
- · Replies 8 ·
Plotting points on normal probability paper
- axnman
- · Replies 1 ·
Implicit differentiation problem check
- UNknown 2010
- · Replies 12 ·
Incentre Properties: Proving DB = DC = DI and AD = AE = (AB + AC)/2
- vaishakh
- · Replies 3 ·
How can I solve the complex number equation x^4 + 14 = 0?
- greg997
- · Replies 5 ·
Can I Use Berlekamp Factorization in My C++ Polynomial Algorithm?
- SF
- · Replies 2 ·
Limit of function ( sandwich method)
- Дьявол
- · Replies 4 ·
Are complete cycles in trigonometry always 360 degrees?
- Inertialforce
- · Replies 1 ·
Finding probability of exactly one success in 6 trials with binomial distribution
- Schmidtter
- · Replies 1 ·