Question

Use the graph to find the value of y = sin theta for the value of theta.

1/4pi radians

a. -0.7
b. 0.7
c. -0.9
d. 0.9

Answer 1

y ≈ 0.7

Explanation:

locate
`(\pi )/(4)` on the x-axis, move up the vertical line until meeting the graph then the horizontal reading gives y ≈ 0.7