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April 20, 2014

Homework Help: Math - Solving Trig Equations

Posted by Anonymous on Saturday, November 24, 2007 at 4:48pm.

Solve each equation for o is less than and/or equal to theta is less than and/or equal to 360


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sin^2x = 1 = cos^2x
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Work:
cos^2x - cos^2x = 0
0 = 0


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Textbook Answers:
90 and 270
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Btw, how would you isolate for cos^2x = 0? Would it be...
x = cos^-1 square root of _____ ?

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