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August 1, 2015

Homework Help: Math

Posted by House on Friday, October 3, 2008 at 1:02pm.

If 0<theta<90 and tan theta= (square root 3)/2, find cos theta?

tan(t) =3 /2; cos(t) = 1/(1+(tant)^2)= 1/(1+3/4) = 2/7

right or wrong?

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