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In the third quadrant, which pair of ratios is positive?
Asine and cosine
Btangent and cotangent
Csine and cosecant
Dcosine and secant
Answer & Solution
Correct answer: B. tangent and cotangent
In the third quadrant x and y are both negative, so tan = y/x and its reciprocal cot are positive while sine and cosine are negative.
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