$\triangle ABC$ માં,જો $\angle A = 90^{\circ}$ હોય,તો $\cos^{-1}\left(\frac{R}{r_2+r_3}\right)$ ની કિંમત કેટલી થાય ($^{\circ}$ માં)?

  • A
    $90$
  • B
    $30$
  • C
    $60$
  • D
    $45$

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Similar Questions

જો $x \ge 0$ માટે $\theta = \sin^{-1}x + \cos^{-1}x - \tan^{-1}x$ હોય,તો $\theta$ જે નાનામાં નાના અંતરાલમાં આવે છે તે છે

$\sin^{-1}x + \sin^{-1}\frac{1}{x} + \cos^{-1}x + \cos^{-1}\frac{1}{x} = $

જો $0 \leq x \leq \frac{1}{2}$ હોય,તો $\tan \left[\sin ^{-1}\left\{\frac{x}{\sqrt{2}}+\frac{\sqrt{1-x^{2}}}{\sqrt{2}}\right\}-\sin ^{-1} x\right]$ ની કિંમત શોધો.

જો $y = \cot^{-1} \left( \frac{1 + x}{1 - x} \right)$ હોય,તો $\frac{dy}{dx} = $

$\cos \left(\cos ^{-1}\left(-\frac{1}{4}\right)+\sin ^{-1}\left(-\frac{1}{4}\right)\right) = $ . . . . . . .

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