If sin^4A/cos^2B + cos^4A/sin^2B = 1 then prove A=B
pls answer its urgent
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it's wrong......... upload the pic of this question
Karanjoshi1234556:
even I got this question from someone else
I also doubted this question
bur he says that the question is 100% correct
u have the pic of the question?
nope
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