જો $\cos ^{-1}\left(\frac{5}{13}\right)+\cos ^{-1}\left(\frac{3}{5}\right)=\cos ^{-1} x$ હોય, તો $x$ ની કિંમત શોધો.

  • A
    $\frac{3}{65}$
  • B
    $\frac{-36}{65}$
  • C
    $\frac{-33}{65}$
  • D
    $-1$

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Similar Questions

જો $\sin ^{-1} \frac{x}{5}+\sin ^{-1} \frac{4}{5}=\frac{\pi}{2}$ હોય,તો $x=$ . . . . . . .

જો $\cos ^{-1} \sqrt{p}+\cos ^{-1} \sqrt{1-p}+\cos ^{-1} \sqrt{1-q}=\frac{3 \pi}{4}$ હોય,તો $q$ ની કિંમત શોધો.

જો $k \le \sin^{-1}x + \cos^{-1}x + \tan^{-1}x \le K$ હોય,તો

જો $\cot ^{-1}(\sqrt{\cos \alpha})-\tan ^{-1}(\sqrt{\cos \alpha})=x$ હોય,તો $\sin x$ ની કિંમત શોધો.

જો $\frac{\pi}{4} + \sum_{p=1}^{11} \tan^{-1} \left(\frac{2^{p-1}}{1+2^{2p-1}}\right) = \tan^{-1} \alpha$ હોય, તો $\tan \alpha$ ની કિંમત . . . . . . થાય.

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