Math, asked by shruti329, 1 year ago

tan1tan2tan3.... tan89=1

Answers

Answered by ss8153808p6g2ts

2

tan1tan2tan3....tan89=1
L.H.S.
= tan1tan2tan3..tan87tan88tan89
=tan1tan2tan44tan45cot(90-46)cot(90-89)
=tan1tan2tan44tan45cot44cot2cot
= tan45
=1

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