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.
[cos nt - n.sin nt] rewrite as [cos (nt + tan^-1 n)]
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Cos^2(π/4): Why Does it Equal 1/2?
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Assume that x is a positive multiple of 5 and is greater than 5.
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Discrete Mathematics - Basic Set Theory : Assignment review : Q1
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Algebra Question: 2r - 2s - 1 = 2(r-s-1) + 1 (?)
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Rate word problem: speed of a plane in still air and distance traveled.
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Polar Coordinates: Understanding Negative Distance r
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Calculating the points of tangency for two circles given a picture
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Set Theory : Discrete Mathematics
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Tool or software able to find the length of the sides
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Which is Larger: Circumference of an Inscribed Circle or Triangle Perimeter?
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Probability That They Are One Red, One White And One Blue Balls
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Find Remainder of 25! Divided by 29: Help Appreciated
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Prove Trig Identity: Step-by-Step Guide
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How do you find out the exponent if you can't use logs?
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Probability: Discrete Random Variable
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How To Find The Factors Of THis Quadratic Equation?
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What Kind of Analysis Can Be Done on These Graphs?
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Find all 2x2 matrices such that A=A^-1
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Finding the length of an intersection Of 2 planes
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Question regarding binomial theorem.
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Vector And Scalar Equations Of A Plane
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Solving Trigonometric Equations: sin(θ) = 3/5
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Linear System Solutions for a Unique Value of a | Math 115 Homework
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Understanding Parallel Vectors: Solving for t with c = 3i + 4j and d = i -2j
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Solving the Cable Box Replacement Problem: What's the Best Option?
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Positive Int Solns for Factorial Equation: a!b!=a!+b!+c!
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A Number Made Up Of Two Digits
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Summation of a Logarithmic Series
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Trigonometry elementary problem
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Bearings (compass headings) question high school
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Non-linear function - Cubic and Quadratic functions
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Question about Trig Identities
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Analytic Geometry Question (equation of a circle)
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Maximize area of rectangle inside a circle
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Calculating asymptote of the function
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A man standing x ft. from a light pole, length of man's shadow?
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Calculate cos(θ/2) Given sin(θ)=-5/13
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Prove problem involving sec cos sin
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Triangle inside circle, find area of circle.
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Divisibility Proof: 9^n-5^n is Divisible by 4
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Use algebra to find the x and y intercepts , for a quadratic equation
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How Do You Solve This Complex Logarithmic Equation?
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How can I factor a 3rd order polynomial using the cubic formula?
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Sum of the Values of X, Exponential Equation
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Simultaneous equations with 3 Unknowns
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Expressing A Vector Given Another Vectors
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Finding the general expression of the nth term
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Heights and distances (Trigno.)
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How Do You Solve for Theta in Goniometric Equations?
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Range of values in regards to quadratics and discriminant
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Is this equation possible to solve exactly?
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Trigonometry: At which quadrant should the angle lie?
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[Statistics] Obtaining test statistic in short problem
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Solving linear system of congruences
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What exactly is this question acting?
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Proving the trigonometric identity
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Is the Function u(c, l) = 20000c + c^2 + l Quasiconcave?
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Trig Identity for Simplifying Expression | No Quotes
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Impossible pre cal question Give formula for the graph of the polynominal
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How to Determine Where a Sine/Cosine Graph Intersects the X-Axis
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Statistics and independent variables
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Balancing Areas of Two Rectangles
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Inequality with modulus question
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Solving Exponents: Dividing \frac{xa+b}{xa-2b}
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How can I solve for U2 in this equation?
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Solve for 0<b<a: Proving Inequality & Approximation Error
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Need help with half-life of C-14 question (exponents unit)
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Explain how two angles are equal
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Matrix Equation AXB=C solve for X
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Simplifying an algebraic fraction with factors
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Why do I have to multiply by -1 when simplifying (sometimes)
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What is the area of this part of a circle?
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Unsure of the Meaning of "n|q"? Get Help Here!
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Finding Angle B in Triangle: Step-by-Step Guide
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Dividing exponents, Why don't I use BEDMAS for this?
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Exponential decay, but results reach 0
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Understanding Conditional Probabilities
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Correctness of my equation relative to the standard given in the text
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Geometric sequence, find the best interest option over a year
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Rearrange this equation to make x the subject
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Proving this trigonometric identity
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Difference between sample standard deviation and population standard deviation?
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How can I solve for u and ultimately find ω in this equation?
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Solving equation with cube roots.
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Confused about method to approximate a decimal number.
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What is the Inverse of Exponential Functions with Different Bases?
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Binomial Theorem: Find Expansion & Approximation of 97^(1/2)
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Small trig substitution problem.
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Sum sequence of a geometric series
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What is the sum of a finite series with a constant p and variable n?
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Confused about +- symbol use in inverse function
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Using e to determine population growth?
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How to interpret this Sigma notation.
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Factoring Problem: Error in Homework Statement?
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Algebra II Equations Containing Radicals Part 2
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How Do You Solve the Inequality |x-6| > |x^2-5x+9|?
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Ranges of simple quadratic functions
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Solving Tricky Algebraic Equation: Tips and Attempt at Solution
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How Do You Simplify the Determinant of This 4x4 Matrix?
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