Prove :-
Cot²A +Cosec²A =cot²A cosec²A
Anonymous:
From which book you derived this question? I'm not getting even in Objective books..
R.S Aggarwal part -2
I think d question is wrong ...may b printing mistake!!
rd sharma class 10th
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cos sq A by sinsquare A + 1÷ sinA ka whole squaren= cossquare A+1÷sinsquareA×sin square A = cos square A +1 ÷sinsquareA= cossqureA by sin square A +1 sinsquare = cot square A cosecsquareA hence proved
what?
didnt understand.....
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