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


1.



2.

Given that and that exists in the
first quadrant, determine the exact value of .


3.

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


4.

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


5.

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.

