Section 04-03-Sample Quiz-Double Angle Identities

Name:

Multiple Choice
Identify the choice that best completes the statement or answers the question.

Given that

and that

exists in the first quadrant , determine the exact value of

Use the diagram below to assist you.

a.		c.
b.		d.

Given that

and that

exists in the first quadrant, determine the exact value of

a.		c.
b.		d.

Using basic and double angle trigonometric identities simplify the following expression:

a.		c.
b.		d.

Using basic and double angle trigonometric identities simplify the following expression:

a.		c.
b.		d.

A student was asked to verify the following identity.

Where did the student make a mistake or is the student correct?

a.	The student didn’t expand correctly.
b.	The student shouldn’t have replaced with 1.
c.	You can’t verify the identity because the identity is false.