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 Trigonometric Identities Be Proven Using Different Methods?
- physics kiddy
- · Replies 8 ·
Trigonometric Identity: Double Angle.
- Jessbek
- · Replies 6 ·
Determinants in linear algebra
- Square1
- · Replies 2 ·
Finding q when vector PQ is a unit vector
- Eryk
- · Replies 6 ·
How Would You Determine f(8) if f(4) Equals 2f(2)?
- Numnum
- · Replies 3 ·
Equation with two variables (integers)
- staples
- · Replies 4 ·
Matrix word problem- Precalculas
- thearn
- · Replies 6 ·
Express a function - Trigonometic Problem
- okh
- · Replies 3 ·
Is x^y = y^x an equivalence relation on integers?
- jd12345
- · Replies 4 ·
Algebra II Word Problem Involving Fractional Equations
- velox_xox
- · Replies 8 ·
Solving simultaneous equations with 2xy term
- jimmy42
- · Replies 3 ·
Solving absolute value inequalities
- Nitrate
- · Replies 2 ·
Why does x/(x-2) > 2 need two cases when solving with sign analysis?
- Nitrate
- · Replies 4 ·
Find the function of the form y = tan kx
- Lepton_dyson
- · Replies 4 ·
Finding the equation of vertex of right angle triangle
- hb2325
- · Replies 10 ·
How to simplify this fraction?
- kulimer
- · Replies 6 ·
Finding a Minumum N from Binomial Distribution
- Youngster
- · Replies 2 ·
Solving Linear Congruence: Finding Remainder with Modulo 7
- Roodles01
- · Replies 3 ·
What is the proof of the formula L1 +pL2=0?
- 1/2"
- · Replies 5 ·
Is Holmes' Conclusion About Moriarty's Fate Correct?
- charmedbeauty
- · Replies 5 ·
Proving inequalities for positive reals with xyz=1
- evansmiley
- · Replies 12 ·
Finding plane equation, perpendicular line, and distance from point D to plane
- ronho1234
- · Replies 5 ·
Triangle length and largest angle
- 314Jason
- · Replies 7 ·
Write 3 Scalar Eqns + System of 3 Linear Eqns for r,s,t
- ronho1234
- · Replies 5 ·
Verifying that f(x,y) is one to one.
- marble1112
- · Replies 3 ·
Plotting sets defined by |z+1+j|=2 and |2z+3|≤1
- DeathNinja
- · Replies 8 ·
Harmonic series sum and stacking blocks to reach a certain height
- analyzer
- · Replies 5 ·
Is a + (1/√2)(b-a) Irrational?
- charmedbeauty
- · Replies 14 ·
Use trig identities to simplify an expression (has sins and cosines)
- Nishiura_high
- · Replies 2 ·
Proving There's No Solution to csc(x)+cot(x)=1
- e^(i Pi)+1=0
- · Replies 14 ·
Fibonacci sequence empirical formula
- DavidGreen
- · Replies 1 ·
Is (a+b+c)2>0 the correct approach for proving a2+b2+c2>ab+bc+ca?
- azizlwl
- · Replies 7 ·
Math *Questions* Involving Probablity
- darshanpatel
- · Replies 4 ·
Problem involving Power-Reducing Formula
- DinosaurEgg
- · Replies 1 ·
Proof by induction an expression
- xeon123
- · Replies 4 ·
Identifying Biasit gets hard to determine
- SeththeBaller
- · Replies 1 ·
Why do teams losing 3 of 5 games and losing 2 of 5 games have the same number of ways?
- Mathkid182
- · Replies 4 ·
Are These Logical Negations Correct?
- charmedbeauty
- · Replies 3 ·
Newton's law of cooling question, no inital temperature given
- miniradman
- · Replies 3 ·
Probability and combinatrics with words
- hb2325
- · Replies 1 ·
Numerical techniques-Linear programming(graphical method)
- Monsterboy
- · Replies 4 ·
Pythagorean triples in problem concerning matches
- diana.hole
- · Replies 5 ·
Reach X: Find the Path Without Going Through Black Spaces
- SeththeBaller
- · Replies 3 ·
Induction proof for sum 1/2! + 2/3! + 3/4! + ... + n/(n+1)!
- charmedbeauty
- · Replies 2 ·
Simplifying a secant-tangent equation with radicals
- Cyclopse
- · Replies 7 ·
Solving by equating coefficients
- king of bee
- · Replies 2 ·
Proving Inequality: Using a Hint to Show (a+b)>(c+d)
- azizlwl
- · Replies 4 ·
Is the following statement true or false. prove?
- charmedbeauty
- · Replies 3 ·
How Much Money Did Frank Initially Have for School Supplies?
- S.R
- · Replies 15 ·
What is the Correct General Expression for an Exponential Function?
- Peter G.
- · Replies 2 ·
Plotting the roots of unity on the complex plane
- Cottontails
- · Replies 1 ·
Finding the solutions to a quadratic equation with a complex conjugate
- Cottontails
- · Replies 23 ·
Sketching level curves and the surface of a sphere
- Cottontails
- · Replies 9 ·
Pigeon hole principle used for derived strings
- diana.hole
- · Replies 14 ·
Probability with combinatrics and distribution (big question)
- hb2325
- · Replies 6 ·
Solving A Non Linear System With a Cube
- B18
- · Replies 8 ·
Finding equation of a circle given circumference and containing points.
- anniecvc
- · Replies 7 ·
Simplifying Trig Expressions: Cos(6θ)
- ZincPony
- · Replies 2 ·
Modulus, polar form, and exponential form of complex number z
- Cottontails
- · Replies 2 ·
How to find the intersection of complex roots, Im(z) and Re(z)?
- Cottontails
- · Replies 4 ·
Finding all solutions to 2cos²(2θ) = 1 - cos(2θ)
- theintarnets
- · Replies 5 ·
Solving Right Triangle question
- Gooby
- · Replies 1 ·
Finding z^4 for z = -1 + 4i in polar and Cartesian form
- menco
- · Replies 4 ·
Eight-digit numbers with constraints on digits and divisibility
- darshanpatel
- · Replies 6 ·
Easy Trig question involving pitch of roof
- MACHO-WIMP
- · Replies 3 ·
Solving for Distance using Law of Cosines
- theintarnets
- · Replies 1 ·
Probability that Bobo and Coco sit in same row but not adjacent
- th4450
- · Replies 3 ·
Bacteria doubling every minute filling a container
- Lurid
- · Replies 4 ·
How to calculate the magnitude of a function?
- seto6
- · Replies 4 ·
Calculating Routes on a Grid: Using Combinations and Pascal's Triangle
- SeththeBaller
- · Replies 3 ·
Trig Star Question: Solving Chord Lengths Problem 4
- rebat
- · Replies 4 ·
Test Statistics for List of Person Heights (n=100)
- SuperMiguel
- · Replies 2 ·
Antisymmetric and transitive using the matrix?
- big.bangs
- · Replies 1 ·
Possible Value(s) for X in |x-3| = -2?
- Golden_Ace
- · Replies 1 ·
Trigonometry - Which cofunction identity to use?
- reventon_703
- · Replies 9 ·
Trig ratio question (picture included)
- zeion
- · Replies 15 ·
Problem with finding angle using dot products
- potetochippu
- · Replies 1 ·
How Do You Solve cos(2tan-1(1/7))?
- Saitama
- · Replies 12 ·
Find all solutions to z^2+4z ̅+4=0
- ronho1234
- · Replies 11 ·
Plotting level curves for z=(x²-2y+6)/(3x²+y) at z=0 and z=1
- ronho1234
- · Replies 8 ·
Finding roots of z^6 = √3 + i in the upper right half-plane
- ronho1234
- · Replies 11 ·
Quick Subspace Question: Understanding A = [x+1,0] as a Potential Subspace
- I Like Pi
- · Replies 5 ·
Quadratic Formula (Equilibrium Points)
- roam
- · Replies 3 ·
Problem regarding relations and functions .
- sankalpmittal
- · Replies 14 ·
Modeling - Reciprocal Function
- Peter G.
- · Replies 1 ·
I'm trying to isolate x to find range, but unsure how to manipulate equation.
- My8th
- · Replies 1 ·
How Do You Calculate the Normal Vector at a Point on a Cylinder?
- luislam
- · Replies 3 ·
How Do You Prove Matrix Powers Using Mathematical Induction?
- rakileh
- · Replies 2 ·
Algebra II Quotients of Rational Expressions
- velox_xox
- · Replies 9 ·
Simplifying (a - b)/(a⁻¹ - b⁻¹)
- velox_xox
- · Replies 4 ·
Predicting Long Term Behavior with Vector General Solution
- jimmy42
- · Replies 1 ·
Finding the root of f(x) = x³ - x - 1
- LearninDaMath
- · Replies 7 ·
How Do You Simplify a Cubic Polynomial?
- Patdon10
- · Replies 4 ·
Trig Identities Applications Question
- Auburn
- · Replies 6 ·
How can a rowing crew be arranged with specific roles for each member?
- Avi1995
- · Replies 1 ·
What is the optimal ratio of peanuts to cashews for maximum revenue?
- Lurid
- · Replies 4 ·
How Many Possible Outcomes for 10 Cricket Matches with Three Win Options Each?
- rama1001
- · Replies 3 ·
Independent event does not seem to follow rule
- thisischris
- · Replies 2 ·
Geometric progression ball drop problem
- jackscholar
- · Replies 2 ·
A basic algebra question (no calculator)
- Naga360
- · Replies 2 ·