Math, asked by chiranjibidhungana12, 6 months ago

If tana +cota =3 prove that tan^2a+cot^2a =7

prove it in detail

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Answered by kirtimayee66

0

Answer:

Given tan A+cot A=2

Squaring on both sides we get,

tan2A+cot2A+2tanAcotA=4tan2A+cot2A+2=4tan2A+cot2A=2

Answered by Anonymous

3

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