An ESL Learner

請各位聰明人教我，怎麼算呀？

S5_Mock01_E

Permutation and Combination Question?

derivative of f(x) = √( ( tan( csc(√x) ) ) / ( sin³x * cot(2x) ) )?

How to find formula F with statement variables from truth table (propositional logic)?

Please check if this proof is ok:)?

Finding volume of a solid...?

Calculus: Integration?

A colony of bacteria.....?

Probability question?

if 2+2tanA=sec^2a, find the value of TanA.?

If w/x=6/11, y/z=16/23 and w/y=9/16 then what is the value of x/y?

Integration problem maths (anti-derivative)?

Antidifferentiation Question?

Calculus Integration Problems, part II?

How do I compute integral of t to the power of 2 between 3 and 1?

Trigonometry homework help?

How to prove the identity cos^4x-sin^4x+1=2cos^2x?

Discrete Math - gcd help?

Please prove the following identities:?

I need help finding the derivative of an inverse function?

Two Calculus problems I need help with!?

How to solve this ∫ sinx/[(1-cosx)(2-cosx)].dx pls help me...?

Finding a polynomial equation when given two points?

Consider the solid obtained by rotating the region bounded by the given curves about the line y = -1.? y=3/x y?

find an equation of the tangent line to the hyperbola y=3/x?

Mathematics: How many pairs of integers?

Prove (Cos/1+sin)+(1+sin/cos)=2/Cos?

Using induction prove that 1+1/4+1/9+...+1/n^2 < 2 -1/n for all positive integer n greater than 1.?

Math 20-1 help please!?

Prove that if T is a right triangle then (abc)^2 = c^6 - a^6 - b^6/3?

IF a is a positive integer , find the quotient and the remainder of the division of a^2 - 3 by a?

factorise 3xy + 12xz?

Arithemetric Progression Help?

Does this matrix have an inverse?

if (x-1)^4=16,then the sum of non real complex values of x=?

How do you find the derivative of e^xln2?

If secα=5/3 and tanβ=15/8,?

if tan theta = 3/2 and sin <0, find the values of all six of the trig functions?

Geometric series word problem help please?

how to Differentiate x^y+y^x=1 ?

half life question please help?

Vector proof question?

5 points to explain how to do the problem?

Write √45 in the form of k√5, where k is an integer?

Q is directly proportional to the square of r. q=3 when r=4?

How fast will the demand drop?

MATH HELP!! xy=162=x+y?

Maths Questions

Mathematical proofs. number theory proofs?