Worksheet 4,5,6A,6B,7,8,9,10

Read all directions carefully. Circle or box all final answers.

1. Evaluate each expression without using a calculator. Write your answers in radians.

a. ( )1 32cos −

− b. ( )1 1 2

sin −

−

c. ( )1cos 1− − d. ( )1tan 3− −

Math 347 – Skills for Trigonometry

Worksheet – Inverse Trigonometric Functions

Name _________________________

2. Find the exact value of each expression without using a calculator.

a. ( )1 32sin sin −

b. ( )( )1 12sec sin −

−

c. ( )( )1 3cos cos − − d. ( )1sin sin 330−

3. For each of the following, find an equivalent algebraic expression using x only that does not include any trigonometric functions.

a. ( )1cos sin x− b. ( )1tan cos x−