Question

Given that sin alpha=1/2and cos beta=1/2 then the value of(alpha+beta) is

Answer 1

Answer:

Sin alpha = 1/2

Sin alpha = sin 30°

Alpha = 30°

Cos alpha = 1/2

Cos beta = cos 60°

Beta = 60°

Now, alpha + beta

= 30°+60°

= 90°

Step-by-step explanation:

Answer 2

Answer:

1

Step-by-step explanation:

(1/2+1/2)

(1+1)/2

2/2

1