Math, asked by sumansunil8944, 8 months ago

9cosec²A -9cot²A -9 is equal to

Answers

Answered by spiderman2019

1

Answer:

Step-by-step explanation:

9cosec²A -9cot²A -9

=> 9(cosec²A - cot²A - 1)

=> 9( 1 - 1 ) (∵cosec²A - cot²A = 1)

=> 9 * 0

=> 0

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