((1+sinx+icosx)/(1+sinx-icos))^n

can any help me about this problem

Printable View

- November 28th 2011, 09:04 AMnylon((1+sinx+icosx)/(1+sinx-icos))^n
((1+sinx+icosx)/(1+sinx-icos))^n

can any help me about this problem - November 28th 2011, 10:40 AMmr fantasticRe: require solution
- November 28th 2011, 10:47 AMprincepsRe: require solution
Use Euler's formula :

,so you can rewrite expression into :

...etc.

Final result should be :

- November 28th 2011, 12:15 PMSorobanRe: ((1+sinx+icosx)/(1+sinx-icos))^n
Hello, nylon!

I did it "the long way" . . .

Quote:

We have: .

Multiply numerator and denominator by the conjugate of the denominator:

. .

. .

. .

. .

. .

. .

. .

. .

. .

. .

. .

. .

. .

Hence: .

Can you finish up?

- November 28th 2011, 03:38 PMProve ItRe: require solution
- November 28th 2011, 07:06 PMprincepsRe: require solution