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OpenStudy (anonymous):
if i have sec t= (whatever) and the terminal point is in quad 3, which trigs are going to be negative or positive?
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OpenStudy (anonymous):
quadrant 3 is here |dw:1330469183553:dw|
OpenStudy (anonymous):
since you are to the left, cosine is negative since you are down, sine is also negative
OpenStudy (anonymous):
tangent will be positive because the ratio of two negativef numbers is positive, likewise for cotangent
OpenStudy (anonymous):
okay thanks
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