જો $\tan \left( \frac{\pi }{4} + \theta \right) + \tan \left( \frac{\pi }{4} - \theta \right) = \lambda \sec 2\theta$ હોય,તો $\lambda$ =

  • A
    $3$
  • B
    $4$
  • C
    $1$
  • D
    $2$

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Similar Questions

જો $\frac{x}{\cos \theta} = \frac{y}{\cos \left( \theta - \frac{2\pi}{3} \right)} = \frac{z}{\cos \left( \theta + \frac{2\pi}{3} \right)},$ હોય,તો $x + y + z = $

$\sin 75^\circ = $

જો $\sin \theta = \frac{12}{13}$ જ્યાં $0 < \theta < \frac{\pi}{2}$ અને $\cos \phi = -\frac{3}{5}$ જ્યાં $\pi < \phi < \frac{3\pi}{2}$ હોય,તો $\sin(\theta + \phi)$ ની કિંમત શોધો.

જો $\tan 80^{\circ} = \alpha$ અને $\tan 47^{\circ} = \beta$ હોય,તો $\tan 37^{\circ}$ ની કિંમત કેટલી થાય?

જો $\cot \alpha = \frac{1}{2}$ અને $\sec \beta = -\frac{5}{3}$,જ્યાં $\alpha \in \left(\pi, \frac{3\pi}{2}\right)$ અને $\beta \in \left(\frac{\pi}{2}, \pi\right)$ હોય,તો $\tan(\alpha + \beta)$ ની કિંમત શોધો.

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