Perhaps the best costume for a math teacher, this calculator costume makes Halloween a great day to introduce sine, cosine and tangent.

JOT Scientific Calculators With Flip Cover - Sine Cosine Roots Percentage Ratio #JOT

Trig Identities Sorting Activity is an interactive and hands on way for students to practice using trig identities to simplify expressions involving trig functions. Students simplify 20 trig expressions to one of the six trig functions (sine, cosine, tangent, cosecant, secant, or cotangent). When completed students will have three or four trig expressions in each of the six trig function columns. Click to learn more!