AnswersS1S-OC Pre-Calculus B E3710 - AGPerformance Task: Trigonometric Identities — Unit testQuestion 15
15
QuizMultiple Choice
Performance Task: Trigonometric Identities — Unit test
Question 15 • S1S-OC: Pre-Calculus B (E3710 - AG)
Which expression is equivalent to (1 + cos(x))2?
Answer
A
sin(x)B
1 – cos(x)C
1 – cos2(x)D
(1 + cos(x))(sin(x))