$5 \sin^2 \theta + 4 \cos^2 \theta$ ની ન્યૂનતમ કિંમત કેટલી છે?

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

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પદાવલિ $\frac{\tan(x - \frac{\pi}{2}) \cdot \cos(\frac{3\pi}{2} + x) - \sin^3(\frac{7\pi}{2} - x)}{\cos(x - \frac{\pi}{2}) \cdot \tan(\frac{3\pi}{2} + x)}$ નું સાદું રૂપ આપતા શું મળે?

જો $\tan^2 \alpha \tan^2 \beta + \tan^2 \beta \tan^2 \gamma + \tan^2 \gamma \tan^2 \alpha + 2 \tan^2 \alpha \tan^2 \beta \tan^2 \gamma = 1$ હોય,તો $\sin^2 \alpha + \sin^2 \beta + \sin^2 \gamma$ નું મૂલ્ય કેટલું થાય?

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$\left[\frac{\left(\sec ^{3} x-\tan ^{3} x\right)}{(\sec x-\tan x)}\right]-2 \tan ^{2} x-\sec x \tan x $ નું સાદું રૂપ શું છે?

જો $5 \sin \theta = 3$ હોય,તો $\frac{\sec \theta - \tan \theta}{\sec \theta + \tan \theta}$ નું સંખ્યાત્મક મૂલ્ય શોધો.

જો $\sin \theta + \sin 5 \theta = \sin 3 \theta$ અને $0 < \theta < \frac{\pi}{2}$ હોય,તો $\theta$ નું મૂલ્ય (ડિગ્રીમાં) શું છે?

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