Single Answer MCQ
Q-00051696
What is the value of sin(75°)?
1
√3/2
2
√2/2
3
√6/4 + √2/4
4
1/2
Answer and Solution
Answer
C. √6/4 + √2/4
Solution:
sin(75°) can be calculated as sin(45° + 30°) = sin(45°)cos(30°) + cos(45°)sin(30°) = (√2/2)(√3/2) + (√2/2)(1/2) = (√6/4 + √2/4).
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