Question

2. Prove that
(a) (a cos 0 + b sin 0)+(asin 0-b cos 0) = a +b?​

Answer 1

Step-by-step explanation:

(a cos 0 + b sin 0)+(asin 0+b cos 0)

(a(1)+b(0))+(a(0)+b(1))

a+b

Answer 2

Step-by-step explanation:

( a(1)+ b(0))+(a(0)-b(1))= a+ b

(a+0)+(0-b)=a+b

a-b = a+ b