3. Unit Circle

In Exercises 35–60, find the reference angle for each angle.7𝜋4

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.17𝜋6

In Exercises 35–60, find the reference angle for each angle._ 11𝜋4

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°

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator.sin 2𝜋3

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator.csc 7𝜋6

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator.cot 7𝜋4

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator.tan 9𝜋2

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

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator.tan(-𝜋/4)

In Exercises 61–86, use reference angles to find the exact value of each expression. Do not use a calculator.sec 495°