QuestionMultiply (2 cos x + 1)(3 cos x - 1)

Studdy Solution
Now, let's combine the terms to get the final answer.
$$\cos^2 x -2 \cos x +3 \cos x -1 = \cos^2 x + \cos x -1$$So, the product of $(2 \cos x +1)(3 \cos x -1)$ is $\cos^2 x + \cos x -1$.