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Question

Which trigonometric function is positive in third quadrant,

A
sinθ
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B
tanθ
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C
cosθ
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D
secθ
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Solution

The correct option is B tanθ
Given :Trigonometry ratios, i.e,
sinθ,tanθ,cosθ,secθ
To find: Positive ratio in 3rd quadrant
Solution: We know that third quadrant range is 1800 to 2700 and tangent and cotangent is positive in third quadrant.
Hence, answer is tanθ, option - B


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