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The value of $\frac{\tan^2 60^\circ -1}{\tan^2 60^\circ +1}$ is equal to the value of which of the following?
- (a)$\tan 60^\circ$
- (b)$\cos 60^\circ$
- (c)$\sec 60^\circ$
- (d)$\sin 60^\circ$
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Ans. (B) $\cos 60^\circ$
The value of 2 60° -1/ 2 60° +1 is equal to the value of which of the following?
CBSE Class 10 Maths PYQ · Trigonometry · Specific Angles Expression · 1 Mark · March 2026 · Basic
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