Example 1

Determine the correct reciprocal trigonometric function to solve for in the triangle below. Write the value of to the nearest thousandth.
  1. Identify the given information.
  2. Set up the correct reciprocal function.
  3. Use the calculator to determine the value of .
  4. Check your solution by using the reciprocal function to the function you chose earlier.
This applet is provided by Walch Education as supplemental material for their mathematics programs. Visit www.walch.com for more information.