To find:The exact values of the sine, cosine and tangent at angle
Answer to Problem 55E
The exact values of the sine, cosine and tangent at angle
Explanation of Solution
Given information:
The given angle is
Calculation:
Since, angle
The expression
Write the expression to calculate the value of
Since, the value of sine is positive in Quadrant I. So, consider the positive value and simplify it.
Write the expression to calculate the value of
Since, the value of cosine is positive in Quadrant I. So, consider the positive value and simplify it.
Similarly, write the expression to calculate the value of
Since, the value of tangent is positive in Quadrant I. So, consider the positive value and simplify it.
Therefore, the exact values of the sine, cosine and tangent at angle
Chapter 5 Solutions
Precalculus with Limits: A Graphing Approach
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