Question

Which of the following is a point of intersection of the graphs of y= 1/2 sin2x and y= 1/2?
(a) (pi/4, 1/2)
(b) (pi/3, 1/2)
(c) (pi/2, 1/2)
(d) (pi, 1/2)
(e) (2pi, 1/2)

Answer 1

a

Answer 2

set the equations equal to each other and solve for x

1/2 = 1/2 sin 2x

1=sin2x
pi/2 = 2x

x = pi/4

Answer 3

thank you