If \tan \alpha=\frac{b}{a}, a>b>0 and if 0

Correct Answer is : 2sinα√cos2α

\frac{2 \sin \alpha}\sqrt{\cos 2 \alpha}

\frac{2 \cos \alpha}\sqrt{\cos 2 \alpha}

\frac{2 \sin \alpha}\sqrt{\sin 2 \alpha}

\frac{2 \cos \alpha}\sqrt{\sin 2 \alpha}

\frac{2 \tan \alpha}\sqrt{\cos 2 \alpha}

KEAM 2010 Math Paper

Question : 99 of 120

Marks: +1, -0

If tan‌α=‌

,a>b>0 and if 0<α<‌

, then √‌

a+b

a−b

−√‌

a−b

a+b

is equal to

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