1.If sin−1x+cos−1y=3π10\sin^{-1} x + \cos^{-1} y = \frac{3\pi}{10}sin−1x+cos−1y=103π, then the value of cos−1x+sin−1y\cos^{-1} x + \sin^{-1} ycos−1x+sin−1y isa.π10\frac{\pi}{10}10πb.7π10\frac{7\pi}{10}107πc.9π10\frac{9\pi}{10}109πd.3π10\frac{3\pi}{10}103πLogin to continueOnly logged in users canattempt or see the solution.
