To add monomials, you have to look at the variables that are accompanied by their coefficients. In the given problem, (–4c2 + 7cd + 8d) + (–3d + 8c2 + 4cd), you can combine both cd ut nt cd and c² and cd and d and d and c² because they have different variables.
r
= 3 sin 2θ</span>
<span>
Find:</span>
Graph
that matches the polar equation
<span>Solution:
Use the polar graph type in the graphing calculator and enter the following
values: 3sin (2 theta).</span>
<span>Please
see the attached image for the answer. The graph would look like butterfly
wings.</span>