Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMix Examples-Trigonometrical Ratios, Functions and Identities
EasyIf $\sinh u = \tan \theta$,then $\cosh u$ is equal to
- A$-\sec \theta$
- B$\sec \theta$
- C$\sin \theta$
- D$\cot \theta$
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Similar Questions
The value of $\tan {20^\circ} + 2\tan {50^\circ} - \tan {70^\circ}$ is equal to
Medium
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If $\sec(x) = \cosh(\theta)$,then find $\tanh^2\left(\frac{\theta}{2}\right)$.
Let $f_k(x) = \frac{1}{k}(\cos^k x + \sin^k x)$ where $k \in \mathbb{N}$. Find the value of $f_6(x) - f_4(x)$.
DifficultMHT CET 2026
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