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 ?

#### Latest answer by

A= sin2x + cos4x

#### Latest answer by

5sin2x+4cos2x

#### Latest answer by

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

#### Answered by

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

#### Latest answer by

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...

#### Answered by

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

#### Latest answer by

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

#### Latest answer by

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

#### Latest answer by

What is BUC A-B (A-B)-C

#### Latest answer by

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

#### Latest answer by

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

#### Latest answer by

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

#### Top voted answer by

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...

#### Latest answer by

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

#### Latest answer by

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

#### Latest answer by

how to solve rational expressions and equation

#### Top voted answer by

ratios and proportions

#### Latest answer by

ratios and proportions