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Mathematics 13 Online
OpenStudy (montverde):

(cos Θ − cos Θ)2 + (cos Θ + cos Θ)2

OpenStudy (alones.):

Need some help?

OpenStudy (montverde):

yes please

OpenStudy (alones.):

Okay, give me a moment and i'll help.

OpenStudy (montverde):

oh i got it already

OpenStudy (montverde):

4cos^2 Θ

OpenStudy (alones.):

Yes, Great Job!

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