Question

4. Given that Sin a = 1/2 and Cos b = 1/2, then the value of (a + b) is
a) 0°
b) 30°
C) 60°
d) 90°​

Answer 1

Answer:

Option D)- 90°

Step-by-step explanation:

Because

sin a =1/2 therefore a=30°

cos b =1/2 therefore b=60°

then (a+b)=30+60=90