Wednesday, November 19: It’s time to “Deck the Halls!” We will get you into the holiday spirit (and keep your trig skills strong) throughout the Unit 7 Bell Work. 1: Candy Canes or Hershey’s Peppermint Kisses? If you prefer candy canes, then evaluate: sec 60 − tan 45 If you prefer Hershey’s peppermint kisses best, then evaluate: 2
1+ tan 2 30! − csc 2 45! !
2
!
Thursday, November 20: 2: Hot chocolate…with or without marshmallows? With—Given 𝑠𝑖𝑛𝑥 = .3, then find 𝑠𝑖𝑛𝑥 + sin 𝑥 + 2𝜋 + sin (𝑥 + 4𝜋) Without—Given 𝑐𝑜𝑠𝑥 = .2, then find cos𝑥 + cos 𝑥 + 2𝜋 + cos (𝑥 + 4𝜋) Friday, November 21: If you have tried fruitcake, then find the exact value ⎛ 9π ⎞
sin ⎜ − ⎟ − tan ( −6π )
of: ⎝ 4 ⎠
If you have not tried fruitcake, then find the exact ⎛ 17π ⎞
⎛ 3π ⎞
cos ⎜ −
− sin ⎜ − ⎟
⎟
value of: ⎝ 4 ⎠
⎝ 2 ⎠ Monday, November 24: If you have made a gingerbread house, then graph two periods of y = 4 sin 2x If you have not, then graph two periods of y = −3cos
x
2 Tuesday, November 25: If this holiday food platter looks delicious, then 1
1
evaluate (without a calculator): cos 2 40! − cot 2 40! But, if this holiday food platter looks better, then 1
2
!
sin 20 +
evaluate (without a calculator): sec 2 20!
Monday, December 1: If you like apple cider solve: sec2x tanx = 2tanx If you do not like apple cider solve: cos2x – sin2x = 0 Tuesday, December 2: Which do you prefer, gingerbread men or decorated sugar cookies? If you picked gingerbread men, solve… 2 3𝑠𝑖𝑛2𝑥 = 3 If you picked sugar cookies, solve… !
2 3𝑐𝑜𝑠 ! = −3