Search 75,788 tutors

if sinA , CosA and tanA are In G.P then Cos3 A+ cos2 A is equal to ?

If x=ycos(2∏/3)=zcos(4∏/3) , Then xy+yz+zx is equal to ?

A= sin2x + cos4x

5sin2x+4cos2x

Here x is theta,and please any one help me I am not getting it

Sin2 (6x) - Sin2 (4x) = sin(2x)Sin(10x)

Rewrite the rational exponent as a radical by extending the properties of integers exponents. 2^3/4 / 2^1/2     The choices are   8 radical2^3   Radical...

Simplify rational expression steps please I know the answer is t+1/t but how do u get thete

I need help with math final. It's due tonight

what is a general term for the set {15,30,45,60,75,...}

What is    BUC   A-B   (A-B)-C

how many subsets and proper sets does the set {a,b,c,d,e} have

{ x l x element of set N and X is a multiple of 6}

the set w is the set of letters in the word washington

Ann is building towers using just blue and yellow blocks. She can build only four different towers that are two blocks high.   blue+blue, blue+yellow, yellow+blue, yellow+yellow   How...

|x-2|-|3x-10|>-6

|x-1|+|x|+|x+1|=2

how to solve rational expressions and equation

ratios and proportions

ratios and proportions