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

can any help me about this problem

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- Nov 28th 2011, 10:04 AMnylon((1+sinx+icosx)/(1+sinx-icos))^n
((1+sinx+icosx)/(1+sinx-icos))^n

can any help me about this problem - Nov 28th 2011, 11:40 AMmr fantasticRe: require solution
- Nov 28th 2011, 11:47 AMprincepsRe: require solution
Use Euler's formula :

,so you can rewrite expression into :

...etc.

Final result should be :

- Nov 28th 2011, 01:15 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?

- Nov 28th 2011, 04:38 PMProve ItRe: require solution
- Nov 28th 2011, 08:06 PMprincepsRe: require solution