Math, asked by harshajapsare, 9 months ago

The value of 9 cot0 – 9 cosec20 is.
(A) 9 (B) -9 (C) 1 (D) - 1

Answers

Answered by bhanurajora123

5

Answer:

Step-by-step explanation:

$9 cot^{2} 0 -9 cosec^{2} 0\\9(cot^{2} 0-cosec^{2} 0) \\9(-1)\\-9$

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