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OpenStudy (anonymous):
Use a trig identity to find the exact value: cos 165° sin 285°
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OpenStudy (anonymous):
165 = 225 - 60
OpenStudy (anonymous):
that's one way....
OpenStudy (anonymous):
285 = 225+60
OpenStudy (anonymous):
that's for the second....
OpenStudy (anonymous):
you think you can do it from here?
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OpenStudy (anonymous):
yeah, I got it now. thanks for the help!
OpenStudy (anonymous):
yw...:)
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