tan^2thita/tan^2thita-1+cos^2thita/sin^2thita/sin^2thita-cos^2thita=1/sin^2thita-cos^2thita prove equal
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aryan7924:
thnx for help
can u explain me what have u done after cuttin cos^2
after that i take common 1/sin^2 and cos^2
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