Identities Test

Unit Test #45

Select your answers to the following 5 questions from the pop-up menus in the right hand column. Clicking the "Begin Test Again" button will clear all the answers.

 

 

Q1:

 

True or false?

A. True

B. False

 

 Answer 1:

 

Q2:

 

True or false?

cos(A - B) = cos A cos B - sin A sin B

A. True

B. False

 Answer 2:

 

Q3:

 

True or false?

cos 2A = cos2A - sin2A

A. True

B. False

 Answer 3:

 

Q4:

 

True or false?

sin 2A = sin A cos A

A. True

B. False

 Answer 4:

 

Q5:

 

True or false?

2sin A sin B = cos(A - B) - cos(A + B)

A. True

B. False

 		 Answer 5: