1.tan−1(1−x2−1x)+sin−1(2x1+x2)\tan^{-1}\left(\dfrac{\sqrt{1 - x^2} - 1}{x}\right) + \sin^{-1}\left(\dfrac{2x}{1 + x^2}\right)tan−1(x1−x2−1)+sin−1(1+x22x) (where x≠0x \neq 0x=0) is equal toa.π\piπb.π/2\pi/2π/2c.000d.−π/2-\pi/2−π/2Login to continueOnly logged in users canattempt or see the solution.
