જો $\cos \theta = \frac{15}{17}$ હોય,તો $\operatorname{cosec} \theta + \cot \theta$ ની કિંમત ......... છે.

  • A
    $\frac{1}{4}$
  • B
    $\frac{7}{17}$
  • C
    $4$
  • D
    $\frac{7}{8}$

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જો $\tan A = \cot B$ હોય,તો $A + B = \ldots$

જો $\sin 70^{\circ} = \cos \theta$ હોય,તો $\theta = \ldots \ldots \ldots \ldots$ ($^{\circ}$ માં)

$(1+\tan ^{2} \theta)(1-\cos ^{2} \theta) = \dots$

જો $\sin \theta - \cos \theta = 0$ હોય,તો $(\sin^4 \theta + \cos^4 \theta)$ નું મૂલ્ય શોધો.

$0 < \theta < 90$ અને $\sec \theta = \operatorname{cosec} 60^\circ$ હોય,તો $2 \cos^2 \theta - 1$ ની કિંમત ........ છે.

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