evaluate. write your answer in simplified, rationalized form. do not round. \ncos(0) =

Explanation:

Step1: Recall the cosine value of 0

The cosine of 0 radians is a well - known value from the unit circle. On the unit circle, for an angle (\theta = 0), the coordinates of the point are ((x,y)=(1,0)). The cosine function is defined as (\cos\theta=x).

Answer:

(1)