document.write( "Question 191467: Solve $\"+%28sec%5E2%29theta+=+4+\"$ i tried sec^2 theta = tan^2 + 1 so tan^2 theta =3 but i do not know what to do from here on. \n" ); document.write( "

Algebra.Com's Answer #143922 by Alan3354(69443) $\"\"$ $\"About$

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Solve $\"+%28sec%5E2%29theta+=+4+\"$ i tried sec^2 theta = tan^2 + 1 so tan^2 theta =3 but i do not know what to do from here on.
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\n" ); document.write( " $\"sec%5E2+=+4\"$
\n" ); document.write( "sec = +2 ---> cos = 1/2
\n" ); document.write( "sec = -2 ---> cos = -1/2
\n" ); document.write( "theta = 60 degs, 300 degs
\n" ); document.write( "theta = 120 degs, 240 degs
\n" ); document.write( " \n" ); document.write( "

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