SarkariPYQ

SSC CGL 2022 PYQ — Question 54

SSC CGL - 01 Dec 2022 - Shift 2 • Quantitative Aptitude • Q54

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What is sinα - sinβ?

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Correct answer: A

Explanation

The correct answer is option 1 i.e. 2cosα+β2.sinα−β22cos\frac{\alpha+\beta}{2}.sin\frac{\alpha-\beta}{2}

Calculation:

The formula of sin α - sin ẞ is given by 2cosα+β2.sinα−β22cos\frac{\alpha+\beta}{2}.sin\frac{\alpha-\beta}{2}