The simplest value of \sin^2x+2\tan^2x-2\sec^2x+\cos^2x is

RRB Junior Engineer Stage 1 Model Papers 3

Question : 8 of 100

Marks: +1, -0

The simplest value of

\sin^2x+2\tan^2x-2\sec^2x+cos^2x

Solution:

\sin^2x+\cos^2x-2(\sec^2-tan^2x)

1-2(1)=-1

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