Question

If sinx + sin^2x=1 , then what is the value of cos^12x + 3cos^10x + 3cos^8x + cos^6x ?

Explanation is required....

Answer 1

Answer:

1

Step-by-step explanation:

sin x + sin^2 x=1

so sin x = 1-sin^2 x=cos^2 x

Now put the value of cos^2 x in the equation and factorize it.