Trig Identities & Functions
Trig Identities & Functions

Trig Identities & Functions

Lead Author(s): Kelly Cline

Student Price: FREE

These questions are about trigonometric identities, namely the sum and double angle formulas, and properties of trig functions e.g. amplitude and period.

[Trigonometric Functions] 1
question description

The amplitude and period of the function below are

A

Amplitude = 2, Period = 2

B

Amplitude = 2, Period = 3

C

Amplitude = 2, Period = 1/2

D

Amplitude = 3, Period = 2

E

Amplitude = 3, Period = 1/2

[Trigonometric Functions] 2

Which of the basic trig functions below are odd functions?

A

f(x)=sin(x) f(x) = sin (x) .

B

f(x)=cos(x) f(x) = cos (x) .

C

f(x)=tan(x) f(x) = tan (x) .

D

(a) and (b).

E

(a) and (c).

F

(b) and (c).

G

(a), (b), and (c).

H

None of the above.

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