$\tan \left\{\frac{1}{2} \cos ^{-1} \frac{\sqrt{5}}{3}\right\}$ ની કિંમત શોધો.

  • A
    $\frac{3-\sqrt{5}}{2}$
  • B
    $\frac{3+\sqrt{5}}{2}$
  • C
    $\frac{\sqrt{5}-1}{2}$
  • D
    $\frac{\sqrt{5}+1}{2}$

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$\frac{d}{dx} \sin^{-1}(3x - 4x^3)$ ની કિંમત શોધો.

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શ્રેણી $\cot^{-1} 3 + \cot^{-1} 7 + \cot^{-1} 13 + \cot^{-1} 21 + \dots$ ના પ્રથમ $n$ પદોનો સરવાળો શું થાય?

Difficult
View Solution

જો $|x| < 1$ હોય,તો $y = \sin^{-1}\left(\frac{2x}{1+x^2}\right)$ માટે $\frac{dy}{dx}$ શોધો.

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

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