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

  • A
    $4 \sin \theta \cos \theta$
  • B
    $2$
  • C
    $1$
  • D
    $0$

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લઘુકોણ $\theta$ માટે,જો $\cos \theta = \sin \theta$ હોય,તો $2 \tan^{2} \theta + \sin^{2} \theta + 1 = \ldots$

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

જો $\sec ^{2} \theta+\tan ^{2} \theta=\frac{13}{12}$ હોય,તો $\sec ^{4} \theta-\tan ^{4} \theta$ ની કિંમત ......... છે.

જો $\tan \theta = \frac{4}{3}$ હોય,તો $\frac{5 \sin \theta + 2 \cos \theta}{3 \sin \theta - \cos \theta} = \ldots \ldots$

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