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Mathematics 9 Online
OpenStudy (anonymous):

What are the sine, cosine, and tangent of 7 pi over 4 radians?

OpenStudy (anonymous):

@arabpride @wolfe8 @Frostbite @amistre64 Could you help with this please? :)

OpenStudy (anonymous):

@jazzy688 @greenlegodude57

OpenStudy (anonymous):

7*3.14/4=5.495

OpenStudy (amistre64):

find the relative angle between 2pi and 7pi/4 to compare with, then adust for the quadrant values

OpenStudy (amistre64):

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