Question

Prove Lhs =Rhs
Question 27
From chapter Trigonometric identities

Answer 1

Step-by-step explanation:

check this image.

here is your answer.

Answer 2

Step-by-step explanation:

- Apply the formula of (a+b)^2 and (a-b)^2

-Take 2 as common( in numerator)

-cosA=1-sin^2A

-2 will be canceled

- RHS (proved)

HOPE IT HELPED!!!!