Q76Multiple choice
In the following match each item given under the column C1 to its correct answer given under the column C2 : (a) sin (x + y) sin (x – y)
- (i)cos2 x – sin2 y 1 − tan θ (b) cos (x + y) cos (x – y)
- (ii)1 + tan θ π 1 + tan θ (c) cot +θ
- (iii)4 1 − tan θ π (d) tan +
- (iv)sin2 x – sin2 y