$\tan ^{-1}(1)+\cos ^{-1}\left(-\frac{1}{2}\right)+\sin ^{-1}\left(-\frac{1}{2}\right)$ ની કિંમત શોધો.

  • A
    $\frac{3 \pi}{4}$
  • B
    $\frac{2 \pi}{3}$
  • C
    $\frac{5 \pi}{4}$
  • D
    $\frac{5 \pi}{6}$

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જો $x < 1$ માટે $f(x) = \frac{\sqrt{\operatorname{Cos}^{-1} x}}{\sqrt{2(1-x)}}$ હોય,તો $\lim_{x \rightarrow 1^{-}} f(x) =$

જો $\cos ^{-1}\left(\frac{1}{2}\right)=\cot \left(\cos ^{-1} x\right)$ હોય, તો $x$ ની કિંમત શોધો.

જો $\sin ^{-1} x=y$ હોય,તો

$\sin^{-1}\left(\sin \frac{7 \pi}{6}\right)$ ની કિંમત . . . . . . છે.

$cosec^{-1}(-\sqrt{2})$ નું મુખ્ય મૂલ્ય શોધો.

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