जहाँ परिभाषित हो,वहाँ व्यंजक $(sinx + cosecx)^2 + (cosx + secx)^2 - (tanx + cotx)^2$ का मान किसके बराबर है?

  • A
    $0$
  • B
    $5$
  • C
    $7$
  • D
    $9$

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Similar Questions

किसी भी $\theta \in \left( \frac{\pi}{4}, \frac{\pi}{2} \right)$ के लिए,व्यंजक $3(\sin \theta - \cos \theta)^4 + 6(\sin \theta + \cos \theta)^2 + 4\sin^6 \theta$ का मान है

यदि $x: y: z = \tan \left(\frac{\pi}{15}+\alpha\right): \tan \left(\frac{\pi}{15}+\beta\right): \tan \left(\frac{\pi}{15}+\gamma\right)$ है,तो $\frac{z+x}{z-x} \sin ^2(\gamma-\alpha)+\frac{x+y}{x-y} \sin ^2(\alpha-\beta)+\frac{y+z}{y-z} \sin ^2(\beta-\gamma)$ का मान ज्ञात कीजिए।

मान लीजिए $f(\theta) = \sin \theta (\sin \theta + \sin 3\theta)$,तो $f(\theta)$

$1 + \cos 56^\circ + \cos 58^\circ - \cos 66^\circ = $

$\sin^6 \theta + \cos^6 \theta + 3 \sin^2 \theta \cos^2 \theta = $

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