જો $\sin A + \sin^2 A = 1$ હોય,તો $(\cos^2 A + \cos^4 A)$ પદાવલિનું મૂલ્ય કેટલું થાય?

  • A
    $1$
  • B
    $\frac{1}{2}$
  • C
    $2$
  • D
    $3$

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સાબિત કરો કે,
$1 + \frac{\cot^{2} \alpha}{1 + \operatorname{cosec} \alpha} = \operatorname{cosec} \alpha$

જો $\cot \theta = \frac{a}{b}$ હોય,તો $\frac{\cos \theta - \sin \theta}{\cos \theta + \sin \theta} = \ldots$

$\sin^{2} 30^{\circ} - \tan 45^{\circ} + \cos^{2} 60^{\circ} - \cot 90^{\circ}$ ની કિંમત ........ છે.

જો $\sin \alpha = \frac{1}{2}$ અને $\cos \beta = \frac{1}{2}$ હોય,તો $(\alpha + \beta)$ નું મૂલ્ય શું થાય ($^{\circ}$ માં)?

$5 \cos A = 4 \sin A$ હોય,તો $\tan A = \ldots$

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