7.3 Practice General Trig Identities

Comic of the Day

Tip: The goal isn't to complete a proof in the minimum number of steps, it's to clearly show what was done in each step

Warm Up and Questions from the Homework
"The most important thing (or the thing that you should always do first) when using a formula from your formula sheet is to _______________"

Review Identities Puzzle Activity (hand in with SOS)

Announcements

• Next quiz Tue, Mar 26 in 2nd hour (7.5 Solving Trig Equations, also see worksheet #6 on Moodle for extra practice)
• Next unit exam Thu, Mar 28 (55 minutes, in class)
• Summary of Studying (SOS) must be completed to write unit exam

Today - 7.3 General Trig Identities
Practice Quiz 7.3
Quiz 7.2-7.3 Double- and Half-Angle Identities, General Trig Identities


Homework
7.3 #1-41
Worksheets 4-5 on Moodle

Tomorrow - 7.5 Trig Equations


For more information

https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/trig_iden_tutorial/v/trig-identities-part-2--parr-4-if-you-watch-the-proofs
https://www.khanacademy.org/math/trigonometry/less-basic-trigonometry/trig_iden_tutorial/v/trig-identies-part-3--part-5-if-you-watch-the-proofs
http://patrickjmt.com/proving-some-random-trigonometric-identities/
http://patrickjmt.com/deriving-trigonometric-identities-from-known-identities/
http://patrickjmt.com/proving-an-identity-example-2/