Question

sinA=1/2 and tanB=v3 ,then value of cos(A+B) is

0

1

1/2

√3​

Answer 1

ANSWER

0

Step-by-step explanation:

sinA = 1/2 = sin30°

tanB = √3 = tan60°

A = 30 °

B= 60°

cos(A + B)

cos(30°+60°)

cos 90° = 0