Evaluating Trigonometric Functions In Exercises 33-42, use a calculator to evaluate the trigonometric function to four decimal places.
To calculate: The approximate value of trigonometric function
Given information:
The provided trigonometric function is
Formula used:
According to trigonometric reciprocal identity,
Calculation:
Consider the trigonometric function is,
Since, we can write
Use the TI-83 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
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