Even and Odd Trig Identities

According to the even/odd trig. identities: \sec(-y)=

• -1

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

cos(-x)=

• -cos(x)

• cos(x)

• sin(x)

• -sin(x)

Is cosine an even or odd function?

• even

• odd

• Converting all functions to sine and cosine

• Using the Pythagorean identity

• Applying the sum and difference identities

Is sine an even or odd function?

• even

• odd

cos (-x) =

• sin x

• -sin x

• cos x

• -cosx

Is tangent an even or odd function?

• even

• odd