Math, asked by shruti329, 1 year ago

without using trigonometric table prove that: cot12.cot38cot52cot60cot78

Answers

Answered by ss8153808p6g2ts

0

cot12.cot38.cot52.cot60.cot78
=cot12.tan(90-38).cot52.cot60.tan(90-78)
=cot12.tan12.tan52.cot52.cot60
=1/sqrt 3

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