Question

Evaluate sec square theta +cot square (90-theta) - 2 cosec square (90-theta)

Answer 1

Answer:

HEYYA HERE IS YOUR ANSWER..........._______^^

TAKING L.H.S.

sec^2theetha + cot ^2(90-theetha)

sec^2theetha+ tan^2theetha

sec^2theetha + sec^2thhetha -1

2 sec^2theetha- 1....

NOW R.H.S

2cose^2(90-theetha)-1

2 sec^2theetha-1 ..

HENCE ,

LHS =RHS PROVED....

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