The positive answer of the equation sin x = x/3 is in which of the following intervals?

Question

The positive answer of the equation sin x = x/3 is in which of the following

intervals?

options>

a. (pi/2,2pi/3)

b. (2pi/3,3pi/4)

c. (3pi/4,5pi/6)

d. (5pi/6,pi)

Answer 1

The solution to sin x = x/3 is about x = 2.28 (graphically)

2.28 is between 2π/3 and 3π/4.