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Mathematics 17 Online
OpenStudy (anonymous):

SOLVE cos(x)(cos x+1)=0 a- x=pi/3 +- 2pi n, x=3pi/4 +- 2pi n b- x=pi/2 +- 2pi n, x=3pi/2 +- 2pi n c- x=+-pi n, x=pi/2 +- 2pi n d- x+pi/2 +- 2pi n, x=3pi/2 +- 2pi n, x=pi +- 2pi n +- is the positive and negative sign, I'm not sure how to make it on here.

OpenStudy (anonymous):

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