Puzzle 11 - Rad, Radical, Radian, Radial Phone

Puzzle: Revealed at the very end of the intro meeting, teams found hidden slips of colored paper with speed trig under their desks!

[Solution: Notice the “C” in the center of the phone dial, and that each number is approximately 30 degrees apart. Angles can be formed with the two numbers and C for each equation, each easy multiples of 30. Puzzlers can solve each trig equation for ? Then, teams can plug in the results into ???-???-???? (second slide), using the smaller numbers above each ? to determine what letter (matches with one of three letters above each number on the phone). This gives the phrase BEF-ORE-TMRW → answer: TODAY.]