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.
Exponents and Imaginary Numbers
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Understanding Triangle Proofs: Solving for Unknown Sides
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How Do You Prove Sets Have Cardinality Aleph-Nought?
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Discovering Exponential Functions: 2 Equations for y=3 with y-intercept of 5
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Problem with a trigonometric equation.
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Understanding A, B, and C in the Universal Set: Proofs and Counterexamples
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What is the diagram for a particle attached to 2 elastic light springs?
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Can I use this formula to simplify my summations?
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Can any triangle use the Pythagorean theorem?
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Angle Help15 = arctan(2/x) - arctan (1/x)
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Set theory question it , thank you
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Behaviour Under Simple Transformations
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Unpacking Trig Ratios: Understanding Sine, Cosine, Tan, and More
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Prove: Tan^2 - sin^2 = sin^4*Sec^4
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Mastering Trig Identities: Strategies & Tips
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Find 'k' in Circle Inscribed in a Triangle
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Interval Bisection: Solve for Root in [1, 2]
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What Are the Domain and Range of Transformed Functions?
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Symmetry of f(x) = x^2 - 6x: Even or Odd?
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Simplify x^(1/2)+1 * (x^2-x-2) * (x-2)^(-1) | Equation Help from Dominic
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Therefore, cos/(1-tan) + sin/(1-cot) = sin + cos
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Solving the Stamp Problem: Finding the Greatest Amount for Perfect Change
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Determining whether system of equations have a solution
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Polynomial function - different degrees don't understand
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Finding the Average Rate of Change for a Trig Function on a Given Interval
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Quadratic Question: Help Solve Homework
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AP Physics 1983 Exam: Question #3
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Circular measure with trigno. Wrong answer.
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Really think there is a mistake in my textbook. Please check
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Normal distribution - Finding mean and standard deviation
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Need a review on how to factor cubic polynomials
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Curve Sketching: Finding X-Intercepts for 2(x^3)-6(x^2)-18x+7 Equation
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A few problems i've come across some trouble with.
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Understanding the Simplification of ((1 - cos A)/ (1+cos A) ) ^(1/2)
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Distance of point to line (cross product)
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What are the versed sine and coversed sine of an angle?
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What Is the Angle Between Two Vectors if Their Magnitudes Are Equal?
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At what point did I serve two rows at once?
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Equation for Ellipse from a chord - no other parameters
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Easy trig prob what did I do wrong?
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What is the relationship between similar regular polygons?
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Solving a Fractional, Single-Variable, Inequality
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How Does a Truck's Axle Motion Combine with Spring Oscillation?
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Why 57 Degrees Was Chosen for One Radian
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Solve Exponential Limit Problem
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U.S. Tax Code probability homework
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Discovering Pi: Unraveling the Mystery of an Irrational Number
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Calculating Earth's Distance from the Sun in One Year
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Calculating n with Super-Fast Computing: P1-P4
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Unit Circle: 360 Degrees = 2(pi) Radians
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Solve Sequence Problem: Estimate World Population 1799-1900
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Proving sqrt of 3 is irrational
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Breaking Down Degrees: Is It Important?
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Circumference & Arc Measure: Is this Correct?
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Convert 0.E to Binary | Hexadecimal to Binary Conversion
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Combining Sine and Cosine Functions for f-g: Homework Example
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Calculating Connectivity Patterns in a Computer Network
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Understanding the Meaning of 'y as a Function of x' | Quick & Easy Question
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Factoring x^3 + x^2 -1: Solution & Explanation
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Two confusing questions on Probability
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Exercise: An Application to Markov chains
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Find Distance and Bearing from City A to C | Plane Navigation Problem
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Finding the HCF of Numerator and Denominator
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Conditional Probability Problem
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Prove PM is Diameter in ΔABC with ∠A = 90°
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What is the Origin of the Approximation?
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Combinatorics Problem: Choosing Couples in a Dance Class with 22 Students
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Which Probability Calculation is Correct for Defective Bulbs in a Sample?
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Finding angle b/w line equation and tangent.
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Finding Solutions in Natural Numbers for x^2+y^2=4z^2 and x^2+3y^2=4z^2
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Probability - A and B are two weak students
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Solving Polynomials: Hints, Techniques & Solutions
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Geometric sequences and Fibbonacci Numbers
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Pascal's Triangle: 40 Paths to Spell BINOMIAL
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Proving Equalities: Check My Work
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Solving equations with greatest integer function
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Calculating Rocket Reliability: Probability of Survival in Launch and Failure
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Proving Newton's Law of Universal Gravitation
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Finding the Infinite Series Expansion of e^(-x)cos(x)
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How do you expand algebraic expressions to the nth power?
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Explain two different methods for using combinations
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Construct & Normalize Orthogonal Vector to \underline{a}, \underline{b}
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Equation of a Tangent Line - PreCalc
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The probability that symbol j is sent and symbol k is received
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Electromagnitic fields questions
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Expected number of trials before all cards are collected
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A couple of not so simple problems from old contests
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Binomial coefficient summation proof
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Calculating Rejected Carbon Rods: Standard Deviation Homework
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Boat travelling in river without current
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Boolean algebra -Sum of products form - theorem
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Is My Induction Proof for (1+ny) ≤ (y+1)n Correct?
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Prove Identity: Alternatives to Derivation
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Number of Non-Fiction Humourous Books for Children in a Bookstore
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Solving Simple Transposition Problem for Charge Separation in Air
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Integration by Parts: \int{\frac{xcosx}{sin^2x}dx}
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Fun Game Theory, Guessing a Number With a Twist
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How Many Odd 4-Digit Numbers with a 4 Can Be Formed from Digits 0-7?
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Finding the Gradient of a Difficult Curve: Tips and Hints
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How many ways to rearrange distinct objects (factorial)
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