- 77
- 0
find all solutions to sin^2 x = 1/4 in pi/2 <= x < 2pi (i.e in quadrants 2,3 and 4)
i understand what i need to do but dont understand sin^2 part. will i need to apply pythagoras therom here first?
thanks
i understand what i need to do but dont understand sin^2 part. will i need to apply pythagoras therom here first?
thanks