Question

if sin(A+B)= 1 and cos B=1/2 then find angle A and angle B.(0°<A+B ≤90°)​

Answer 1

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Step-by-step explanation:

ANSWER ::

H

cos B=1/2

B = 60°

Sin(A+B)= 1

A + B = 90°

A = 90° - B = 90° - 60° = 30°

SO

A= 30°

B = 60°