QuestionMultiply and simplify: $(4 \cos \theta + 5)(7 \cos \theta - 2)$.

Studdy Solution
Combine like terms.
$$=28 \cos^2 \theta +27 \cos \theta -10$$So, the simplified form of the expression $(4 \cos \theta+)(7 \cos \theta-2)$ is $28 \cos^2 \theta +27 \cos \theta -10$.