How to reach this result " #5pi/6# with : 2arcsin(1)-1arcsin(1/2)= What are the steps?
1 Answer
Mar 18, 2018
Explanation:
Looking at the unit circle, at what angle is sin (y-coordinate) equal to 1, remembering arcsin is only defined in quadrant 1 and 4:
Looking at the unit at what angle is sin (y-coordinate) equal to 1/2, remembering arcsin is only defined in quadrant 1 and 4:
Substitute in angle values for the inverse trig: