Math, asked by san91, 1 year ago

2cosec67/sec23-tan70/cot20-cos theta+tan38•tan52

Answers

Answered by shubhamsingh16

cos 48o - sin 42o. = cos (90o - 42o) – sin 42o. = sin 42o - sin 42o = 0 ... tan (90o - 42o) x tan 23o x tan 42o x tan (90o - 23o). = cot 42o x tan 23ox tan 42o x cot 23o. = cot ...

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