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August 2, 2015

Homework Help: trig

Posted by Emily on Sunday, June 21, 2009 at 8:55pm.

I need to find all solutions of the given equations for the indicated interval. Round solutions to three decimal places if necessary.

1.) 3sin(x)+1=0, x within [0,2pi)
2.) 2sin(sq'd)(x)+cos(x)-1=0, x within R
3.) 4sin(sq'd)(x)-4sin(x)-1=0, x within R
4.) sin(x)+1=cos(x), x within [0, 2pi) -check for extraneous solutions.

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