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Trigonometry 10 Online
OpenStudy (cunningham2000):

evaluate cos 36

OpenStudy (onyxxelite):

hello do you know what cos is

OpenStudy (anonymous):

stick into calculator

OpenStudy (cunningham2000):

I needed the full sin 2x = cos 3x etc. sin 18 degrees equals.... it's a fairly long process

OpenStudy (vespasious):

Do you have more information? Cos of 36 what? Degrees? Or do you have a triangle? If it's just asking cos(36 degrees) it's 0.809.

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