Math, asked by guri527, 11 months ago

tan 48 tan 23 tan 42 tan 62=1​

Answers

Answered by Karthikrikky12
4

HELLO MATE HERE IS YOUR ANSWER

tan 48° tan 23° tan 42° tan 67°

= tan (90° - 42°) tan (90° - 67°) tan 42° tan 67°

= cot 42° cot 67° tan 42° tan 67°

= (cot 42° tan 42°) (cot 67° tan 67°) =1×1 =1

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