Question

18. If sin A -cos A
√3-1/2
then find the value of the following.
(a) sin. A cos A
(b) sin A + COS A​

Answer 1

Step-by-step explanation:

sinA is √3/2

A is 60°

cosA = 1/2 also satisfies A is 60°

(a)

√3/2x1/2

√3/4

(b)

√3/2+1/2

(√3+1)/2