Question

cos square x into cos square X equal to cosec Square X - 1​

Answer 1

Step-by-step explanation:

cos^2x.cos^2x=cosec^2x-1

cos^2x.cos^2x=1/sin^2x-1

cos^2x.cos^2x=1-sin^2x/sin^2x

cos^2x.cos^2x=cis^2x/sin^2x

sin^2x.cos^2x