Thursday
July 24, 2014

Homework Help: Precalculus

Posted by Melissa on Friday, January 27, 2012 at 8:21pm.

Consider the equation 7sin^2x - (4sin2^x)/cosx = -1

a) Put the equation in standard quadratic trig equation form.

Why is it 7sin^2x - 8sinx + 1 =0?

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