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Given: cos θ > 0, csc θ < 0 Which quadrant does θ lie? A.) I B.) II C.) III D). IV
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24 votes
24 votes
Given: cos θ > 0, csc θ < 0

Which quadrant does θ lie?

A.) I
B.) II
C.) III
D). IV

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1 Answer

9 votes
9 votes
Quadrant IV
Explanation:
Use the mnemonics CAST.
The Cosine ratio and its reciprocal are positive in the fourth quadrant.
All the other trigonometric ratios are negative in the fourth quadrant.
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