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Mathematics 17 Online
OpenStudy (anonymous):

-sin67.5ºcos67.5º is the answer -sqrt2/4? or sqrt2/4? please explain

sam (.sam.):

Is it this? \[-\frac{\sin67.5}{\cos67.5}\]

OpenStudy (anonymous):

using a calculator i got - 0.3535533906 which equals -sqrt2 / 4

OpenStudy (anonymous):

nope it's not a fraction. and yay! thanks, jimmyrep :D

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