25
RCMultiple Choice
Trigonometric Sum Identities — Cumulative exam
Question 25 of 49 • Precalculus
What are the roots of the polynomial equation ? Use a graphing calculator and a system of equations.
Answer
A
–2, –1, 0, 2B
–2, 0, 1, 2C
–1, 0D
0, 1