CBSE BOARD XII, asked by jayeshnrajapurkar19, 7 months ago

cosecA/cosecA-1+cosecA/cosecA+1=2sec^A​

Answers

Answered by raotd
1

Answer:

Hey !!!

From LHS

cosecA / (cosecA - 1 ) + cosecA / ( cosecA + 1 )

cosecA ( cosecA - 1 ) + cosecA ( cosecA + 1 )

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(cosecA - 1 ) ( cosecA + 1 )

cosec²A - cosecA + cosec²A + cosecA

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cosec²A - 1

2 cosec²A / cot²A

2 / sin²A

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cos²A / sin²A

2 / cos²A

= 2sec²A RHS = LHS prooved

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Hope it helps you !!!

Explanation:

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