The value of {1−2 \sin ^{2}\theta \cos ^{2}\theta }/{ \sin ^{4}\theta \: + \:\cos ^{4}\theta }−1 is:

SSC CGL 7 Mar 2020 Shift 1 Paper

Question : 51 of 100

Marks: +1, -0

The value of

\;{1−2\ sin\;^{2}θ\;\cos\;^{2}θ\;}/{\ sin\;^{4}θ \: + \:\cos ^{4}θ }−1

is:

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