(Tanα+Cotα)^2=Sec^2Α.Cosec^2Α (Prove)
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Explanation:
(tana+cota)^2 =tan^2a+cot^2a+2cota.tana
=tan^2a+cot^2a+2
=(sec^2a_1 )+(cosec^2a_1)+2
=sec^2a+cosec^2a
=1÷cos^2a+1÷sin^2a
=sin^2a+cos^×a÷sin^2a.cos^2a
= 1÷ sin^×a.cos^2a
= 1÷sin^2a.1÷cos^2a
=sec^2a.cosrc^2a
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