Evaluating Trigonometric Functions In Exercises 19-32, evaluate the six trigonometric functions of the angle without using a calculator. See Examples 2 and 3.
To calculate: The value of six trigonometric functions of an angle
Given Information:
The angle is
Formula used:
Trigonometric values of Common angles:
0 | |||||||
0 | 0 | ||||||
0 | 1 | Undefined | 0 | Undefined |
Sum and difference formulas:
Calculation:
Consider the angle,
Write
Apply the sum rule of Sine function,
Solve the above function using Trigonometric value,
Now, evaluate the cosine function for
Apply the sum rule of cosine function,
Solve the above function using Trigonometric value,
Now, evaluate the tangent function for
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