- A1
- B0.5
- C0
- D0.75
Step-by-Step Solution
This equals sin(30° + 60°) = sin 90° = 1. Directly: (½)(½) + (√3/2)(√3/2) = ¼ + ¾ = 1.
Answer: A) 1
Using exact values, find sin 30° · cos 60° + cos 30° · sin 60°.
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