Question

Cos (90- theta ) cos theta /tan theta + cos square (90 - theta ) = 1

Answer 1

Step-by-step explanation:

cos 90-theta is sin theta.

tan theta is sin theta /cos theta and

cos square 90-theta is sin square theta.

after putting all these in the given expression we can verify that it is

sin square theta+cos square theta which is equal to 1

Answer 2

Step-by-step explanation:

the answer is in the above attachment