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OpenStudy (christos):
If tan^2θ = 8. Sec^2θ = ?
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hartnn (hartnn):
know the standard identity \(1+\tan^2x=\sec^2x\)
hartnn (hartnn):
others are : \(\sin^2x+\cos^2x=1 \\ 1+\cot^2 x= \csc^2x\)
hartnn (hartnn):
just plug in values in the required identity!
OpenStudy (christos):
Solved
hartnn (hartnn):
good :)
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