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MathematicsJAMB UTME2018

Options:

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B.
C.
D.
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Earlier discussion

1 older comment kept for context.

Oluwaseun Adeyemi

First quadrant: Sin, Cos and Tan are all positive
Second quadrant: Sin is positive, Cos is negative and Tan is negative
Third quadrant: Tan is positive, Sin is negative and Cos is negative
Fourth quadrant: Cos is positive, Sin is negative and Tan is negative
The correct option is the third quadrant only where Tanθ is positive and Sinθ is negative