Question

5. If sin A =1/2 and cos B =1/2, then A+B =?​

Answer 1

Answer:

Answer is 1/2

Explanation:

Given, Sin A = 1/2 and Cos B = 1/2

We know that ,

Sin ( A + B )

=Sin A Cos B + Cos A Sin B

= 1/2 × 1/2 + 1/2 × 1/2

= 1/4 + 1/4

we take a L.C.M of 4

= 2/4

=1/2