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OpenStudy (castiel):
1-8(sin17pi/16)^2*(cos15pi/16)^2, how do I solve this, without a calculator of course
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OpenStudy (perl):
i think you can use tan, the difference angle for tan x
OpenStudy (whpalmer4):
It's got a nice, simple answer, I can tell you that much :-)
OpenStudy (castiel):
Haha well I know the answer too but I have no idea how to get to it. Any hints?
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