Evaluate: sin(30°) * cos(60°) + cos(30°) * sin(60°).

A0

B0.5

C1

D1.5

Explanation

Using identity sin(A + B) = sin(A)cos(B) + cos(A)sin(B): sin(30° + 60°) = sin(90°) = 1.

Exam Relevance

Topic: Trigonometry
Subtopic: Trigonometric Identities

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