In Exercises 35–60, find the reference angle for each angle.

7𝜋/4

In Exercises 35–60, find the reference angle for each angle.

-150°

In Exercises 35–60, find the reference angle for each angle. 5.5

In Exercises 35–60, find the reference angle for each angle. 553°

In Exercises 35–60, find the reference angle for each angle. - 11𝜋 / 4

In Exercises 35–60, find the reference angle for each angle. -13𝜋/3

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator. cos 225°

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator. sec 240°