$\tan ^{-1}\left(\frac{\cos \left(\frac{15 \pi}{4}\right)-1}{\sin \left(\frac{\pi}{4}\right)}\right)$ નું મૂલ્ય કેટલું થાય?

  • A
    $-\frac{\pi}{4}$
  • B
    $-\frac{\pi}{8}$
  • C
    $-\frac{5 \pi}{12}$
  • D
    $-\frac{4 \pi}{9}$

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Similar Questions

ધારો કે વિધેય $g: (-\infty, \infty) \rightarrow \left(-\frac{\pi}{2}, \frac{\pi}{2}\right)$ એ $g(u) = 2 \tan^{-1}(e^u) - \frac{\pi}{2}$ દ્વારા આપવામાં આવેલ છે. તો,$g$ એ

$\cos (\tan ^{ - 1}x) = $

$\cot ^{-1}\left(\frac{-1}{\sqrt{3}}\right)$ નું મુખ્ય મૂલ્ય શોધો.

$\cos \left(\tan^{-1} x\right) = . . . . . . . (|x| < 1)$.

$\cot ^{-1}\left(\frac{1}{\sqrt{x^{2}-1}}\right), x>1$ ને સાદા સ્વરૂપમાં લખો.

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