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## moongazer 5 years ago sec^2 x = 1 what is the value of x?

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1. ash2326

sec x = 1/ cos x sec^2x=1 so cos^2 x=1 or $cos x= \pm 1$

2. ash2326

cos x = +1 or -1 so x =0 or pi so the solution is x= n*pi n =0,1,2 and so on

3. moongazer

thanks

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