Wednesday
April 23, 2014

Homework Help: Per-calc Helppppp

Posted by Amanda on Thursday, April 19, 2012 at 9:20pm.

keep in mind answers should be pi radians or if necessary 3 dec.

csc^2-2=0
all angles

4cos^2x-4cosx+1=0
all angles and name 8 angles

7sin^2x-22sinx+3=0
all angles and name 8 angles

2cos^2x-7cosx=-3
all angles

sinx(2sinx+1)=0
all angles

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