Answers Mathematics III A Trigonometric Double Angle IdentitiesQuestion 2

2

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Trigonometric Double Angle Identities

Question 2 of 10 • Mathematics III A

Read the proof.

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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)

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