defence exam BSF Constable (Tradesmen) 2023 Mock Test Quantitative Aptitude Trigonometry

What is the average of the sixty terms given below?

cos²x, cos²2x, cos²3x, _, cos²30x, sin²x, sin²2x, sin²3x, _, sin²30x.

1

cos²x

2

0.5

3

1

4

cos²x sin²x

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