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Mathematics 12 Online
OpenStudy (anonymous):

Use a trig identity to find the exact value: cos 165° sin 285°

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?

OpenStudy (anonymous):

yeah, I got it now. thanks for the help!

OpenStudy (anonymous):

yw...:)

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