Precalculus Mathematics Homework Help Forum

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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.
Understanding and Solving Trigonometry Equations: Tips and Tricks
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Initial and terminal arm in trig
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How Do I Find the Horizontal Distance of a Bug on a Moving Ladder?
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Sinusoidal Graph - sub intervals
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Solving Trigonometry Limit Homework Equation
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Solving Equations with Fractional Exponents
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Combining Inequalities: Finding the Solution Set for Quadratic Inequalities
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What is the Objective Function and Constraints for this Optimization Problem?
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Probability- precalc permutation and combination
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Understanding When to Use + / - in Pythagorean Identity
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True positive / false positive probability
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Converting Degrees to Radians: A Quick Guide
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Is Secant Inversely Proportional to Cosine?
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Uniqueness of Inverse Operators Theorem and Proof
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Does AB=0 necessarily mean BA=0?
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Trig problem (Diagram included)
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Right triangle with four jointed links
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Maximizing Expected Profit: A Contractor's Dilemma and How to Calculate It
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What is the probability of drawing a full house with three aces and two kings?
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How do I simplify this fraction?
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Proof: Showing C(n,0) < C(n,1) <...<C(n, floor(n/2)) = C(n, ceiling(n/2))
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Combinatorics - In how many ways can three aces and two kings be drawn
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Solving 4sin3(x)=5sin(x) in [0,2╥)
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Graphs: A Better Way to Memorize Pi Fractions?
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Is my proof of Simon's line theorem complete?
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Determine Outliers in a non-normal distribution
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Surface area of a cylinder question
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How Do You Solve a Cubic Polynomial with No Rational Roots?
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Why does tanθ = 1/2 > 0 and sin θ mean that it lies in quadrant 3
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Simple Algebraic Problem (yet confusing 0_o)
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Arithmetic progression question
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Using the Cosine Law on Right and Oblique Triangles
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Finding a Perpendicular Point on a Tangent Line at the Center of a Circle
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In how many ways can three aces be drawn?
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What is the Minimum Refractive Index for Total Internal Reflection?
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Domain of A Composite Trig Function
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Mental Math: Books to Help You Calculate Quicker
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How Can You Correctly Manipulate Inequalities Involving 1/(n-2) and Epsilon?
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Determining Theta in Sin Ratio: Why the Difference?
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Calculate Variance of Tomato Crop Income: Steps & Answers
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How Does Gaussian Elimination Help Solve Systems of Equations?
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Solver's Guide: Finding Least Number of Positive Roots in a Equation
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Probability of getting 2 pairs
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How do I graph a horizontal compression with trig functions?
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A tutorial question (algebra prove)
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Precalc DeMoivre's Theorem to find powers of Complex numbers
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Another another more challenging log question.
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Why does sin80°csc80° equal 1?
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Simplify Pythagoras Theorem Homework Statement
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Solving equation containing absolute values
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Solving A+b*sqrt2=c with Positive Rationals
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Permutations: 4 Balls in 7 Boxes with Maximum 1 Ball Each - Verify Answer
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Simplify logarithmic equations
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Modulo operation | What does this mean?
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Approximating the Square Root of 11 Using Binomial Expansion
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How Do You Convert Sin and Cos Values to Tan in Trigonometry?
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How Many Different Parallograms Given 3 Points
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Proving Perpendicular Lines in a Quadrilateral
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Maximizing Revenue: Solving a Probability Problem in Statistics and Probability
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Solving Quadratic Equation: (a+b+c)^2
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Binomial Expansion: Understanding the Coefficient of x5
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How can I prove this formula for n = 2?
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Rewrite equation (rationalize denominator)
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Finding nth roots of a complex number
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Mathematical Induction am I on the right track?
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How to isolate x in a quadratic equation
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Why does Sin (right angle plus theta) equal cos(theta)?
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Complex number question (i think )
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Proving: cosA/(1-tanA) + sinA/(1-cotA) = sinA + cosA
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What is the solution to this complex numbers question?
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Trigonometric Equation: Solving for Theta with Quadratic Formula
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How do you square a negative exponent for kinetic energy calculation?
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Finding angle in triangle and semicircle
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Sales % of 2006 & 2007 - Total Sales Analysis
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How Do You Simplify 3 log[5](5^2)?
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Induction - have answer, need clarification
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Can someone kindly explain? Thanks
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What is the Maximum Span of an Overhang Created by Stacking Identical Planks?
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Question about why the signs are wrong in this trig problem
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Matrices and number of solutions
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Prove by induction divisibility question
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Proofing Modulus Operator Associativity
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Table Tournament Results: Find Draws and Losses for Team D, Match B vs C
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Problem in finding functions Domain & Rage of a peacewise function
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Find the Function x(t) | Bug Climbing a 30-Foot Ladder Against a Wall
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Help proving a trianlge is isosceles
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Pool Filling & Emptying: Calculating Capacity & Rate
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How Do You Find the Line of Intersection Between Two Planes?
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Linear algebra problem with transpose
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Solve for Tree Height: tan45=h/22
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What is the mistake in solving this trigonometry simplification problem?
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Finding the Value of a Series: Help with (h) and Power of r | Homework Question
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Solving Inverse Trig Function: sin-1(1/sqrt2) Without a Calculator
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Solving for d1 & d2: Unveiling the Mystery
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Trig work problem (am I correct?)
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Function involving a negative square root HELP?
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Complex numbers problems | Solving equations using polar form
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Find the Proof: Tangent Lines & a Circle w/ Square Root of 3 Radius
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Are these compositions of linear transformations reflections or rotations?
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Exponential functions/finance problem
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