The problem asks us to find the exact values of $\sec(\frac{3\pi}{4})$ and $\cot(\frac{-11\pi}{6})$.
TrigonometryTrigonometryTrigonometric FunctionsSecantCotangentUnit CircleAngle ConversionSpecial Angles
2025/3/13
1. Problem Description
The problem asks us to find the exact values of and .
2. Solution Steps
10) We want to evaluate . Recall that .
First, we determine .
The angle is in the second quadrant. The reference angle is .
In the second quadrant, cosine is negative. Thus, .
Then, .
11) We want to evaluate . Recall that .
Also, .
The angle is coterminal with .
Thus, .
We know that and .
Therefore, .
3. Final Answer
10)
11)