Evaluating trigonometric Functions In Exercises 33–40, use a calculator to evaluate the trigonometric function to four decimal places.
The approximate value of trigonometric function
Given information:
The trigonometric function is
Calculation:
Consider the trigonometric function.
Rewrite the above function with the help of reciprocal trigonometric identity
Use the TI-84 calculator to calculate the approximate value of the trigonometric function
Step 1: Press
Step 2: Press
Step 3: Press
Step 4: Add the numeric value 1 by pressing 1.
Step 5: Press
Step 6: Press
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