Question

The value of 9 cot20 - 9 cosec20 is​

Answer 1

Answer:

iska answer hai 9_ 20-cos are 20 answer it is right answer

Answer 2

Answer:

We know the Trigonometric identity :

Cosec² A - cot²A = 1

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Now ,

9cot²A - 9cosec²A

= -9 ( cosec² A - cot² A )

= -9 × 1

= -9

hope it helps

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