Home
Class 12
MATHS
The value of ((cos alpha + cos beta)/(si...

The value of `((cos alpha + cos beta)/(sin alpha - sin beta))^(n) + ((sin alpha + sin beta)/(cos alpha - cos beta))^(n)` (where n is a whole number ) is equal to-

Promotional Banner

Similar Questions

Explore conceptually related problems

The value of ((cos alpha + cos beta)/(sin alpha - sin beta))^(n) + ((sin alpha + sin beta)/(cos alpha - cos beta))^(n) (where n is a even number ) is equal to-

(cos alpha + cos beta)/( sin alpha - sin beta) + (sin alpha + sin beta)/( cos alpha - cos beta ) =

[(cos alpha-cos beta)+i(sin alpha-sinbeta)]^n+[(cos alpha-cos beta)-i(sin alpha-sin beta)]^n=

If cos alpha + cos beta =0 = sin alpha + sin beta , then cos 2 alpha + cos 2 beta is equal to

(sinalpha cos beta+cos alpha sin beta)^2+(cos alpha cos beta-sin alpha sin beta)^2=1

Prove that (sin alpha cos beta + cos alpha sin beta) ^(2) + (cos alpha coa beta - sin alpha sin beta) ^(2) =1.

Evaluate: quad =|cos alpha cos beta cos alpha sin beta-sin alpha-sin beta cos beta0sin alpha cos beta sin alpha sin beta cos alpha|

det[[cos alpha cos beta,cos alpha sin beta,-sin alpha-sin beta,cos beta,0sin alpha cos beta,sin alpha sin beta,cos alpha]]

If cos alpha + cos beta = 0 = sin alpha + sin beta, then value of cos 2 alpha + cos 2 beta is