$(1+\tan \theta+\sec \theta)(1+\cot \theta-\operatorname{cosec} \theta) = \dots$

  • A
    $0$
  • B
    $2$
  • C
    $1$
  • D
    $-1$

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Similar Questions

निम्नलिखित सर्वसमिका को सिद्ध कीजिए,जहाँ कोण न्यून कोण हैं जिनके लिए व्यंजक परिभाषित हैं:
$\sqrt{\frac{1+\sin A}{1-\sin A}} = \sec A + \tan A$

$\tan (65^\circ - \theta) - \cot (25^\circ + \theta) - \sec (55^\circ - \theta) + \operatorname{cosec}(35^\circ + \theta) = \ldots \ldots \ldots \ldots$ (जहाँ,$0 < \theta < 25^\circ$)

$(\sec A + \tan A)(1 - \sin A) = \dots$

सिद्ध कीजिए कि $\frac{\cos ^{2}\left(45^{\circ}+\theta\right)+\cos ^{2}\left(45^{\circ}-\theta\right)}{\tan \left(60^{\circ}+\theta\right) \tan \left(30^{\circ}-\theta\right)}=1$

$\sec 55^{\circ} \cdot \sin 35^{\circ} + \cos 35^{\circ} \cdot \operatorname{cosec} 55^{\circ} = \ldots \ldots \ldots \ldots$

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