Warm Up May 8 th Evaluate each of the following. 1.tan(570°)2. csc(11π/6) 3.cot(5π/2)4. sec(-210°) Solve for θ if 0°<θ<360° and 0<θ<2π 5. sinθ = √2/26. cosθ = -1/2 7. tanθ = -1
Homework Questions??
QUIZ TOMORROW!! Converting between degrees & radians Drawing angles and finding reference angles Finding coterminal angles Find all trig ratios given a point Given 1 trig ratio and info about another (positive or negative), find all trig ratios Use the unit circle to evaluate all trig functions
CALCULATOR ACTIVE Determine all of the solutions 0°< x < 360° 1.sinx = 1/2 2.tanx = 1 3.cosx = sinx = -5/2
Determine all of the solutions 0 < x < 2π 2cos x – 1 = 0
Determine all of the solutions 0 < x < 2π
4sin 2 x = 1
Reciprocal Identities
Quotient Identities
Examples: Simplify Completely (cos x)(csc x) =