Tofind:The exact values of the sine, cosine and tangent at angle
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Answer to Problem 56E
The exact values of the sine, cosine and tangent at angle
Explanation of Solution
Given information:
The given angle is
Calculation:
The expression
Write the expression to calculate the value of
Since, the value of sine is positive in Quadrant II. So, consider the positive value and simplify it.
Write the expression to calculate the value of
Since, the value of cosine is negative in Quadrant II. So, consider the negative value and simplify it.
Similarly, write the expression to calculate the value of
Simplify it.
Therefore, the exact values of the sine, cosine and tangent at angle
Chapter 5 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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