Name: 
 

Section 04-03-Sample Quiz-Double Angle  Identities



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

 1. 

Given that mc001-1.jpg and that mc001-2.jpg exists in the first quadrant , determine the exact value of mc001-3.jpg

mc001-4.jpg

Use the diagram below to assist you.

mc001-5.jpg
a.
mc001-6.jpg
c.
mc001-8.jpg
b.
mc001-7.jpg
d.
mc001-9.jpg
 

 2. 

Given that mc002-1.jpg and that mc002-2.jpg exists in the first quadrant, determine the exact value of mc002-3.jpg.

mc002-4.jpg
a.
mc002-5.jpg
c.
mc002-7.jpg
b.
mc002-6.jpg
d.
mc002-8.jpg
 

 3. 

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

mc003-1.jpg
a.
mc003-2.jpg
c.
mc003-4.jpg
b.
mc003-3.jpg
d.
mc003-5.jpg
 

 4. 

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

mc004-1.jpg
a.
mc004-2.jpg
c.
mc004-4.jpg
b.
mc004-3.jpg
d.
mc004-5.jpg
 

 5. 

A student was asked to verify the following identity.

mc005-1.jpg

Where did the student make a mistake or is the student correct?
a.
The student didn’t expand mc005-2.jpg correctly.
b.
The student shouldn’t have replaced mc005-3.jpg with 1.
c.
You can’t verify the identity because the identity is false.
 



 
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