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OpenStudy (anonymous):
Sine is positive in quadrants I and II only.
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OpenStudy (anonymous):
True False
OpenStudy (sidsiddhartha):
yeah true
OpenStudy (sidsiddhartha):
all that is sin,cos,tan are positive in 1 only sin and cosec is positive in 2 only tan and cot is positive in 3 only cos and sec is positive in 4
OpenStudy (cwrw238):
|dw:1405873836273:dw|
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