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in Factorization by (122k points)
If `costheta=3//7,and theta` lies in the fourth quadrant, evaluate : `sin(theta//2),cos(theta//2),tan(theta//2).`
A. `sqrt((2//7))`
B. `-sqrt((2//5))`
C. `-sqrt((5//7))`
D. none of these

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1 Answer

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Correct Answer - C

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