જો $\tan A - \tan B = x$ અને $\cot B - \cot A = y$ હોય,તો $\cot (A - B) = $

  • A
    $\frac{1}{x} + y$
  • B
    $\frac{1}{xy}$
  • C
    $\frac{1}{x} - \frac{1}{y}$
  • D
    $\frac{1}{x} + \frac{1}{y}$

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જો $\sin x+\sin ^2 x=1$,જ્યાં $x \in\left(0, \frac{\pi}{2}\right)$,તો $(\cos ^{12} x+\tan ^{12} x)+3(\cos ^{10} x+\tan ^{10} x+\cos ^8 x+\tan ^8 x)+(\cos ^6 x+\tan ^6 x)$ ની કિંમત શોધો.

જો $1-\cot 23^{\circ}=\frac{x}{1-\cot 22^{\circ}}$ હોય,તો $x=$

$(1 - \tan 348^{\circ})(1 + \cot 417^{\circ})$ ની કિંમત શોધો.

જો $\tan 20^{\circ}=\lambda$ હોય,તો $\frac{\tan 160^{\circ}-\tan 110^{\circ}}{1+\left(\tan 160^{\circ}\right)\left(\tan 110^{\circ}\right)}$ ની કિંમત શોધો.

જો $\cos x - \sin x = \sqrt{a} \sin x$ હોય,તો $a \sin x + \cos x - \sin x = $

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