જો $\pi \leq x \leq 2 \pi$ હોય,તો $\cos^{-1}(\cos x)$ બરાબર શું થાય :-

  • A
    $x$
  • B
    $-x$
  • C
    $2 \pi + x$
  • D
    $2 \pi - x$

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Similar Questions

સાબિત કરો કે $\cos ^{-1} \frac{4}{5} + \cos ^{-1} \frac{12}{13} = \cos ^{-1} \frac{33}{65}$

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

જો $\tan ^{-1}x + \tan ^{-1}y + \tan ^{-1}z = \frac{\pi }{2}$ હોય,તો

$\triangle ABC$ માં, જો $\angle C = \frac{\pi}{2}$ હોય, તો $\tan^{-1}\left(\frac{a}{b+c}\right) + \tan^{-1}\left(\frac{b}{c+a}\right) + \tan^{-1}\left(\frac{c}{a+b}\right) =$

પ્રતિ-ત્રિકોણમિતીય વિધેયોના મુખ્ય મૂલ્યોને ધ્યાનમાં લેતા,$\frac{3}{2} \cos ^{-1} \sqrt{\frac{2}{2+\pi^2}}+\frac{1}{4} \sin ^{-1} \frac{2 \sqrt{2} \pi}{2+\pi^2}+\tan ^{-1} \frac{\sqrt{2}}{\pi}$ નું મૂલ્ય શોધો.

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