alleryStart learning →Evaluate sin 75° + sin 15° without a calculator.
A1 / 2
B√3 / 2
C√2
D√6 / 2
Answer & Solution
Correct answer: D. √6 / 2
sin75° + sin15° = 2 sin45° cos30° = 2 × (1/√2) × (√3/2) = √6/2.
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