Find the value of cosine when given the angle

The video tutorial explains how to evaluate the cosine of 11 degrees. It begins by introducing the concept of cosine in relation to a right triangle, identifying the adjacent side and hypotenuse. The tutorial then explains the cosine function and how to use a scientific calculator to find the cosine of 11 degrees. Finally, it demonstrates rounding the result to the nearest thousandth, providing a complete understanding of the process.

Explain the significance of the hypotenuse in the cosine function.

What is the value of cosine of 11 degrees rounded to the nearest thousandth?