Answers Mathematics III A Trigonometric Double Angle IdentitiesQuestion 4

4

QuizMultiple Choice

Trigonometric Double Angle Identities

Question 4 of 10 • Mathematics III A

Which expression is equivalent to cos(4x)?

Answer

A

2(2cos2(x) – 1)2 – 1

B

2cos2(x) – 1

C

2cos2(x) – 4

D

4cos2(x)

More from this Course

10 verified answers

Graphing Polynomial Functions

10 verified answers

Modeling with Exponential and Logarithmic Equations

10 verified answers

Graphing Polynomial Functions

Which expression is equivalent to cos(4x)?