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Home > CCA2 > Chapter 7 > Lesson 7.1.6 > Problem 7-91
Find the exact values of the angles that are solutions to the equation
Draw a unit circle and a triangle with the opposite side of 0.5 and hypotenuse 1.
Since the short leg is half the hypotenuse, this is a
Reflect the triangle across the
Notice that
Convert both angles to radians. Recall that
Every time you go around the circle, you will come back to these points, so there are an infinite number of solutions to this equation.
A new solution occurs every
Use the eTool below to view the solution as a graph.
Click the link at right for the full version of the eTool: 7-91 HW eTool