JEE MATHEMATICS MCQ: TRIGONOMETRY RATIOS

1 Easy

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Application +4 | -1

\frac{\cot ^2 15^{\circ}-1}{\cot ^2 15^{\circ}+1}=

View answer and explanation

Correct option: B

\frac{\sqrt{3}}{2}

Option B (

\frac{{\sqrt{3}}}{{2}}

) is correct because after converting cotangent to cosine and sine and applying trigonometric identities, the expression simplifies to

\frac{{\sqrt{3}}}{{2}}

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