6.7.2 Evaluating Inverse Trigonometric Functions

Question 1

notes

Answer 1

• When evaluating an inverse trigonometric function:
  • Think of the answer as “the angle whose _______ is….”
  For example, sin–1 0.5 is equal to “the angle whose sine is 0.5.”
  • Verify that the answer is in the correct range for the inverse trig function.
  • The graph of the appropriate trig function is often helpful