SarkariPYQ

SSC CHSL 2022 PYQ — Question 56

SSC CHSL - 2 June 2022 - Shift 1 • Quantitative Aptitude • Q56

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3 sinA − 4 sin3A = ?

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Correct answer: B

Explanation

The correct answer is Option 2 i.e. sin3A.

3sinA - 4 sin3A

Trignometric identity - [sin3A = 3sinA - 4sin3A]

3sinA - 4sin3A = sin3A