Use Python and use the following imports:

import numpy as np

import scipy.linalg as la

import matplotlib.pyplot as plt

1. Choose a value and set the variable x to that value.

2. What is command to compute the square of x? Its cube?

3. Choose an angle θ and set the variable theta to its value (a number).

4. What is sin θ?   cos θ?   Angles can be measured in degrees or radians.

Which of these are being used used?