Answer
a. As shown in the figure, $ cos(x)$ and $ sec(x)$ have the same sign. The amplitude of $ sec(x)$ is the inverse of $ cos(x)$.
b. As shown in the figure, $ sin(x)$ and $ csc(x)$ have the same sign. The amplitude of $ csc(x)$ is the inverse of $ sin(x)$.
Work Step by Step
a. As shown in the figure, $ cos(x)$ and $ sec(x)$ have the same sign. The amplitude of $ sec(x)$ is the inverse of $ cos(x)$.
b. As shown in the figure, $ sin(x)$ and $ csc(x)$ have the same sign. The amplitude of $ csc(x)$ is the inverse of $ sin(x)$.