Question

If sin (a-b) =0 cos (a+b)=0,0°

Answer 1

Explanation:

sin (a-b)=sin (0)

bcz.sin0=0

a - b = 0 ...Equation I

Cos (a+b)=cos ( 90 )

be coz cos ( 90 ) = 0

a + b = 1 ...Equation ii

solve both the equations we have

2a = 1

a = 1÷2

and b = 1÷2