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CBSE XII
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Math
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Inverse Trigonometric Functions
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Q)
Evaluate : $\tan \frac{1}{2} (\cos^{-1} \frac{\sqrt 5}{3})$
$(A)\; \frac{4}{5}$
$(B)\; \frac{5}{4}$
$(C)\; \frac{3}{5}$
$(D)\frac{5}{3}$
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