1.If the plane 2x−3y+6z−11=02x-3y+6z-11=02x−3y+6z−11=0 makes an angle sin−1(k)\sin^{-1}(k)sin−1(k) with the x-axis, then kkk is equal toa.32\displaystyle \frac{\sqrt{3}}{2}23b.27\displaystyle \frac{2}{7}72c.23\displaystyle \frac{\sqrt{2}}{3}32d.111Login to continueOnly logged in users canattempt or see the solution.
