General Math Forum

High School How do compound angles work in 3D animation?

High School Trig function names: math history?

Undergrad Can 15x² + y² = 2^2000 have solutions with both x and y odd?

Graduate Solving the Math Department Puzzle Last Semester

Graduate On infinite products; notational questions

High School Simplifying Dimensional Analysis for Unit Conversions

High School How to solve math placement test questions #14 and #15?

Graduate Properties of Asymptotic functions

Undergrad How can I find the length of a bisected shape with trigonometry?

Graduate Can a Quadratic Bezier Curve Maintain Constant Length as It Bends?

High School Get Fluent in Math: Solving the Question 2^-1 / 1^-1 with Ease

High School Is \(\frac{1/0}{1/0}\) Equal to 1 or Undefined?

Undergrad What is the Definition and Significance of Dimension in Mathematics?

Graduate Fractals, Chaos and Non-linear Dynamics

High School Find the value approximately of 1/1*2+1/2*3+1/3*4

High School How does sin A = (530 - 160)/(2 × 505) find angle A?

High School Does 0.999... equal 1?

High School Solve Coordinate Geometry Puzzle: Find Relationship Between a & b

Undergrad Fundamentals of Trigonometry (No Graphing/Inverse Trig)

Graduate Do positive and negative infinity both converge to zero?

Graduate Why does a spinning circle's circumference shrink while radius stays the same?

High School Factoring y^2 - 4y - 5

High School Physical aspects of our Solar System

Undergrad Finding a faulty coin among 9 with a balance scale in 3 weighings

High School What Does \rightarrow Mean in an Equation?

High School Finding the exact value of sin 5π/12

Undergrad Why Does Tying a Knot on a Rectangular Piece of Paper Form a Perfect Pentagon?

Undergrad Calculating the First Collision Point of Two Moving Rectangles in C Language

Undergrad Proposal for a FAQ on 0/0, infinity, and 0.999...=1

Undergrad What was the most frustrating homework problem you've encountered?

Undergrad The best (in your opinion) books for various math.

High School What is the next sequence in this classic problem?

High School What's the Deal with A^-1/B^-1?

Undergrad Turning Equations into Trigonometric Equations

Undergrad Algebra Tricks/Techniques - A reference book?

Graduate What Is the Shortest String Containing All m-Digit Substrings Made of n Symbols?

Undergrad Obtaining the number of factors from prime factorization

Undergrad Solving the Tricky 3cos(x) + sin(x) - 1 Problem

High School Where Did the Last Dollar Go in the Hotel Room Puzzle?

Graduate Why does the diagonal paradox show constant length 2?

High School Find the faulty bag of 10 balls in one weighing

High School Given a cylinder of vertical height, H and radius R. h = H/R

Undergrad Calculating Ksp from ion concentrations

High School Solving (2.5 + 2x) / (2.0 - x) = 2.50 Equation in Grade 12 Chem Course

High School Find Area of Trapezium with Given Sides and No Width

Undergrad How Do I Calculate the Constants A, B, C, D, and E in My Formula?

Undergrad Finding the poison bottle among 1023 with 10 sacrifices

Undergrad Do we learn, or memorize mathematics

High School Understanding Sine, Cosine and Tangent Angles

Undergrad Find all solutions to Sin 2x = 2Tan 2x

Undergrad Minimum Yellow Pills for Drug Requirement

Undergrad Exponential Problem: Solving (b-a-2)e^b + (b-a)e^a with Constant a and b

High School Lesson ideas for 10-11 year old Children (MATHS)

High School Verifying the identity cos A / (1 - sin A) = sec A + tan A

Graduate Is x Irrational When x^x Equals 2?

Undergrad Word Problem: Increasing Solution Strength to 30%

Undergrad Covering the 62 Squares with Dominoes

Undergrad How Can y^x = x^y be Solved and Visualized?

High School What significance does 360 hold in degrees and mathematics?

Graduate Seeks Guidance on Proving Peirce's Law

Undergrad Can a line be constructed that ends in any positive integer whatsoever?

High School Math Puzzle: Find the Missing Piece

High School Why is 0/0 indeterminate, not 1?

High School What are some interesting weight-balancing problems involving polynomials?

Graduate What are the applications of category theory in physics?

Undergrad Thinking in different dimensions

High School Math Skills Needed to Become a Successful Bank Teller

High School Is This Minesweeper Grid Solvable Without Guessing?

High School Solving Direct Variation Problem: 1-y = 2x

Undergrad Does the Distributive Property Apply to Infinite Terms?

Undergrad Calculating Piston Speed in Single Cylinder Engines

High School Geometry Proofs - An online archive?

High School What is the Definition of Infinity?

Undergrad How to solve 8^x+13^x=108 algebraically

High School Create a method to find the factors of any real number?

Undergrad Can We Predict the Next Number in This Sequence Using Rahmuss' Formula?

Undergrad Finding integers a, b, c where a³+b³=17c³

Undergrad How can you identify a defective machine with only one use of a scale?

Undergrad What if I showed angles DEB and EBC to be equall

Undergrad Prove that 3^(2n+1) + 2^(n+2) is divisible by 7

Undergrad Why does (-1)^2 equal both 1 and -1?

Undergrad Finding the relationship between J and X in a sequence

Undergrad What Does Solving Sqrt[7]^2 == r^2 + r^2 - 2 * r * r * Cos[2 * Pi / 3] Involve?

Undergrad Converting Q = C_v^n to Q = C_(ρv)^y

Undergrad What Maths is Required for Writing a Quadratic or Number Sieve?

Undergrad Did Feynman really use his own trig notations?

Undergrad Function question with expression

Undergrad How Do You Bisect an L-Shaped Figure into Equal Areas?

Undergrad What is the formula for predicting the next number in a sequence?

Undergrad Merchant's 17 elephants: dividing them as 1/2, 1/3, and 1/9

• Poll

High School When you solve a problem incorrectly, what's the usual culprit?

High School How Do You Solve the Inequality (x+3)/(x-4) < 1?

High School Finding Coordinates for a Triangle

Undergrad Do physics degree math courses require proofs?

Undergrad Trigonometric equation and star magnitude problems