7
QuizMultiple Choice
Trigonometric Double Angle Identities
Question 7 of 10 • Precalculus
Read the proof.
Answer
A
sin(2x) = cos(x)cos(x) – sin(x)sin(x)B
sin(2x) = sin(x)cos(x) – sin(x)cos(x)C
sin(2x) = cos(x)cos(x) + sin(x)sin(x)D
sin(2x) = sin(x)cos(x) + sin(x)cos(x)