Math, asked by yashasvichittora, 10 months ago

( tan 25/cosec 65 ) ^2 + ( cot 25 / sec 65 ) ^2 + 2 tan 18 tan 45 tan72

Answers

Answered by rojarevanth2011

1

Step-by-step explanation:

We have 2tan-1(1/3) + tan-1(1/7) = π/4

Answered by knowledgehouse

3

Step-by-step explanation:

Desired answer is in the picture.

HOPE IT HELPS!!

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