For 3/18 through 3/20:

TB p.387 Copy the Blue Box of Formulas for the Double-Angle Formulas

Then Copy Example 1 then Watch the Related Videos

Section 5.5 Double Angle Formulas:

https://www.youtube.com/watch?v=-Wu6ekO2Sdw

https://www.youtube.com/watch?v=PIvs1k-PV_s

https://www.youtube.com/watch?v=SE5SBTgrwH8

After watching the YouTube Videos then Try TB p.394 #1, 2, 3-8

Check your answers using either Hotmath or Slader

Section 5.4: Review Sum and Difference Formulas:

https://www.youtube.com/watch?v=6raOSn1dl4A

Then try TB p.384 #7-10, 15, 16, 19, 20