Lesson 11-2 Homework Worksheet Answers
It is impossible to give you the answers when proving identities without showing all
of the work. Because of this, I have given you the steps that I used to prove each
identity in the order that I used them. Beyond the steps I give for each problem, you
will have to simplify some fractions.
1)
Distributive Property
Fundamental Identities
2)
Distributive Property
Fundamental Identities
Pythagorean Identity
3)
You will need to work on both sides of the equation to prove this identity.
Fundamental Identities on both sides
Add Fractions on left side
Multiply Fractions on right side
Pythagorean Identity
4)
Fundamental Identities
5)
Distributive Property
Fundamental Identities
Add Fractions
Pythagorean Identity
6)
Opposites Identity
Distributive Property
Pythagorean Identity (for csc2x)
Fundamental Identities
7)
Fundamental Identities
Opposites Identity
Add Fractions
Pythagorean Identity