Answer
angle ... a true statement.
Work Step by Step
Book reference: paragraph before example 2.
"... we look for values of an angle that will make the equation into a true statement.".
A trigonometric equation has expressions involving trigonometric functions on either side of the equality sign.
Using algebraic means and properties of the trigonometric functions, the goal is to isolate ONE trigonometric function on one side, and a number on the other.
Then, we seek out angles, for which the equality stands.
Answer: angle ... a true statement.
