Question

# What is the value of sin75∘?

A
3+122
B
3122
C
3+12
D
322

Solution

## The correct option is A √3+12√2 sin75∘=sin(30∘+45∘)sin75∘=(sin30∘ cos45∘+cos30∘ sin45∘)sin75∘=√3+12√2 Hence the correct option is (a).

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