Sec^2x(1-cos^2x)=tan^2x
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Sec^2x( 1- Cos^2x)
Sec^2x(Sin^2x)
I/Cos^2x ( Sin^2x)
Sin^2x/Cos^2x
Tan^2x
Sec^2x(Sin^2x)
I/Cos^2x ( Sin^2x)
Sin^2x/Cos^2x
Tan^2x
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Answered by
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answer in the picture
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