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OpenStudy (anonymous):
If sin(u) = 3/5 and cos(u) is negative what is sin(u+π/2)= what is cos(u+π/2)= what is tan(u+π/2)=
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OpenStudy (mertsj):
If sin is positive and cos is negative, you are in the second quadrant. If you add pi/2 you are in the third quadrant:
OpenStudy (mertsj):
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OpenStudy (anonymous):
it says it wants a value
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