Join in expert discussion on general math topics that are not applicable to the specific categories. This includes topics are usually high school math level. Homework help is available.
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Find log_3 (a2+a3+a4+a5+a6+a7)
- Albert1
- · Replies 3 ·
Proving Identity 46: $\cos^{6}(A)+\sin^{6}(A)=1-3\sin^{2}(A)\cos^{2}(A)$
- paulmdrdo1
- · Replies 2 ·
What country has the most mathematicians?
- Math10
- · Replies 22 ·
Counting problem involving numbered cards
- Milly
- · Replies 3 ·
Fermats Principle: Find Time of Travel Along Path APB
- onie mti
- · Replies 1 ·
Solve the Math Puzzle: 66+935+1389
- Dai
- · Replies 6 ·
Trigonometric identities transformation last one
- Drain Brain
- · Replies 6 ·
Undergrad Why is There No Inverse Factorial Function?
- PFuser1232
- · Replies 13 ·
Trigonometric identities transformation
- Drain Brain
- · Replies 4 ·
High School Multiplication Table Question
- Thecla
- · Replies 5 ·
Undergrad Is There an Alternate Expression for cos(nπ) in Fourier Series?
- erba
- · Replies 1 ·
Undergrad Distance between line segments: near parallel case TOO
- Simon666
- · Replies 2 ·
Find the Solution to $a^2-b^2$ with $a+bi$ a Root of $z(z+i)(z+3i)=2002i$
- Albert1
- · Replies 4 ·
Proof of $n^2 \geq mp$ from $(1)$ and $(2)$
- Albert1
- · Replies 4 ·
(Real functions and equations) How to select points for a graph.
- Kyriakos1
- · Replies 3 ·
Graduate On partitioning an even number into a pair of (relative) primes
- Marchal
- · Replies 6 ·
High School How do you convert Diameter to inches and feet
- jim1174
- · Replies 7 ·
Graduate Minimizing systems of boolean functions as per specific gate costs
- ellipsis
- · Replies 6 ·
What else could we do? (p-adic expansion)
- evinda
- · Replies 1 ·
Limit of sum with square root terms as n approaches infinity
- chisigma
- · Replies 69 ·
Undergrad Composite object resting on a horizontal plane
- John Cartwell
- · Replies 18 ·
High School How 'x' (multiplication) found its way into formula of area of rectangle?
- pairofstrings
- · Replies 6 ·
Mapping an exponential curve between two points
- Carla1985
- · Replies 11 ·
Graduate General solutions for equations with fractional exponents like x^2.5
- cryptist
- · Replies 2 ·
High School Is x/(x+2) = 80 a linear equation?
- bballwaterboy
- · Replies 2 ·
Prove $\sqrt{1+\sqrt{2+\cdots+\sqrt{2006}}} < 2$
- anemone
- · Replies 2 ·
Learn Step-By-Step Factorization with New Equations
- Rigbee
- · Replies 6 ·
Undergrad Finding percentage of volume/area in a cube/square
- aosome23
- · Replies 6 ·
Graduate Lambert W Function: Solving for the Inverse of x^x = y
- arpon
- · Replies 4 ·
Transforming Trigonometeric Identities II
- Drain Brain
- · Replies 2 ·
High School Is there an equivalent of cosx=1-(x^2/2) for the sin function
- Physgeek64
- · Replies 9 ·
Undergrad How to improve 3D visualization for math and physics
- yoooosam
- · Replies 30 ·
Angle RAB in Triangle PQR: 84°, 78°, 48°, 63°
- anemone
- · Replies 9 ·
Transforming Trigonometric expression
- Drain Brain
- · Replies 11 ·
Graduate Fourier transformation on discrete function
- KFC
- · Replies 2 ·
Non-Impulsive Forces: What is Fair to Assume?
- csmith23
- · Replies 7 ·
High School Any efficient method to find divisors of a number
- Rishav sapahi
- · Replies 3 ·
Undergrad Why are they called hyperbolic trig functions?
- snoopies622
- · Replies 2 ·
High School Why use cos for dot product and sin for cross product?
- Mamoon
- · Replies 2 ·
Graduate De-nesting √(3+2√2) with the quartic method
- bamajon1974
- · Replies 4 ·
Can you prove this identity using trigonometric identities?
- Drain Brain
- · Replies 5 ·
Undergrad How do you calculate recursive efficiency?
- David Carroll
- · Replies 5 ·
Solving Proving Identities - Trig Chapter Problems
- paulmdrdo1
- · Replies 6 ·
High School How calculators compute stuff (like irrational exponentiation)
- davidbenari
- · Replies 5 ·
High School What is the inverse of infinity in geometry?
- Pjpic
- · Replies 3 ·
Finding $a_{50}$ with Coprime Constraints
- Albert1
- · Replies 6 ·
Creating Delicious Meals with Minimal Prep Time
- animri21
- · Replies 2 ·
Establishing Identities - Possible Misprint on Worksheet
- Dundee3
- · Replies 9 ·
Solving Identifying $\theta$ in Trigonometric Equation
- paulmdrdo1
- · Replies 7 ·
National income model equilibrium and solving for parameter a
- smileylou
- · Replies 1 ·
Undergrad Calculating powers using the binomial expansion method
- Ambrose 2014
- · Replies 5 ·
Area of Isosceles Triangle proof
- paulmdrdo1
- · Replies 1 ·
Undergrad Why does i² = -1 and not 1 using square root rules?
- EnlightenedOne
- · Replies 23 ·
Graduate Check for Isomorphism in Hypergraphs
- Jerrynap
- · Replies 1 ·
Graduate Counting edge numbers in bipartite graphs
- Medicol
- · Replies 1 ·
Undergrad Monotony of a recurrence relation
- Keru
- · Replies 3 ·
Math Symbols in PF 4.0 - Where Did It Go?
- PFuser1232
- · Replies 22 ·
Undergrad Moment of Inertia, working backwards
- Niall
- · Replies 3 ·
Proving Inscribed Angle Theorem for Triangle Side Lengths
- paulmdrdo1
- · Replies 5 ·
Conics- Word problem with ellipses.
- Kyriakos1
- · Replies 1 ·
How is $\sqrt{6}-\sqrt{2}$ equal to $2\sqrt{2-\sqrt{3}}$?
- Drain Brain
- · Replies 3 ·
Finding the lengths and altitudes of s triangle
- paulmdrdo1
- · Replies 7 ·
Clearing a Vertical Wall: Solving for Height with Right Angle Trig
- paulmdrdo1
- · Replies 2 ·
Solve x^2/(x+3) < 9/(x+3): -2 < x < 1/2, x > 3
- eleventhxhour
- · Replies 5 ·
State the range of the reciprocal function?
- eleventhxhour
- · Replies 1 ·
Solving 3/x + 2/y = 14 and 5/x - 3/y = -2
- ai93
- · Replies 4 ·
Is 1/2 an integer 5-adic number and its power series?
- evinda
- · Replies 26 ·
Solve $(a^2-b^2)^2=1+16a$ for Integers
- anemone
- · Replies 9 ·
Graduate Understanding Lissajous Curves for Fourier Synthesis
- Sam Smith
- · Replies 1 ·
Calculating Height of RC Glider from Ground and Air Measurements
- cloned33
- · Replies 4 ·
High School Why is a equal to negative a in this scenario?
- noahsdev
- · Replies 3 ·
High School Can rectangles really be halved by angling them?
- julian
- · Replies 23 ·
Physics Spring Compression Equation
- Dethrone
- · Replies 4 ·
Undergrad How do you extend factorials to non-integer values?
- TheDemx27
- · Replies 16 ·
Work rate problem: Clarissa and Shawna painting a house
- karush
- · Replies 3 ·
Find Angle Given $\alpha$ in $tan2\theta \cdot tan \alpha =-1$
- DanielBW
- · Replies 6 ·
Math Problem Involving 1000 doors
- mck3939
- · Replies 3 ·
Raising both sides of equation to a common base
- find_the_fun
- · Replies 4 ·
Particles rotating about each other with uniform angular speed
- Fantini
- · Replies 5 ·
Factoring $27720$ into Co-Prime Factors
- juantheron
- · Replies 4 ·
Undergrad Solving 10sin²x + 10sin x cos x - cos²x = 2 for 0° to 360°
- chwala
- · Replies 8 ·
Linear Programming Formulation problem faced - Maximization problem
- huiwangzi
- · Replies 1 ·
Inequality involving Zeta Function
- Bibubo
- · Replies 8 ·
Find p-adic valuation and p-norm
- evinda
- · Replies 2 ·
High School Solving gradients of right angle triangle
- mamort
- · Replies 2 ·
Double check my expressions a+b squareroot c
- ai93
- · Replies 8 ·
Solve the Binomial Theorem Puzzle: Find Missing Member
- Alexstrasuz1
- · Replies 1 ·
Finding a number given conditions on the digits
- Masuda
- · Replies 1 ·
Finding n where (4x+3)^n has equal coefficients for x^4 and x^3
- Alexstrasuz1
- · Replies 2 ·
High School Constraints of an L-shaped feasible region
- Jimbrisky
- · Replies 3 ·
Solving Linear Equations with Fractions
- ai93
- · Replies 6 ·
Is the sum of two cube roots of irrational numbers rational?
- kaliprasad
- · Replies 6 ·
Proof of Infinitely Many Units of Z[sqrt n] for Eacn Non-Square Natural Number
- Math Amateur
- · Replies 3 ·
How to Solve an Equation with Fractions and Variables?
- ai93
- · Replies 15 ·
Where is the number theory section?
- camilus
- · Replies 1 ·
What's the Solution to this Saturday Puzzle?
- LePuzzled1
- · Replies 9 ·
Find the value of this equation
- ai93
- · Replies 9 ·
Undergrad The Logical Argument for the Picture's Claim
- 1MileCrash
- · Replies 6 ·
How Do I Solve This Quadratic Inequality Correctly?
- tmt1
- · Replies 4 ·
Graduate P vs NP undecidable consequences
- Dragonfall
- · Replies 1 ·