allerysin(60°) cos(30°) + cos(60°) sin(30°) equals:
Acos(30°) = √3/2
Bsin(90°) = 1
CCannot calculate
Dsin(30°) = 1/2
Answer & Solution
Correct answer: B. sin(90°) = 1
By sin(A+B) formula: this is sin(60° + 30°) = sin(90°) = 1.
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