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Pg. 352 Homework. Study, Study, Study!! #15 #36 -120°, -2 π /3 #23 68°, 112° #47 23°, 23 π /180 = 0.40 #51 75° #29 0.36, 0.93, 0.38 #37 1.28, 1.27, 1.62 #61 use identities #62 use identities #2 amp = 1, max = 1 #8 D: R ; R: [-1, 1], P = 2 π /7 #23 [0, 4 π ] x [-2, 2]
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Pg. 352 Homework • Study, Study, Study!! • #15 #36 -120°, -2π/3 • #23 68°, 112° #47 23°, 23π/180 = 0.40 • #51 75° #29 0.36, 0.93, 0.38 • #37 1.28, 1.27, 1.62 #61 use identities • #62 use identities #2 amp = 1, max = 1 • #8 D: R; R: [-1, 1], P = 2π/7 #23 [0, 4π] x [-2, 2] • #34 x = 1.45 #39 0 ≤ x < 0.64, 2.50 < x < 2π • #7 P = π/2, [-π/4, 5π/4] #8 P = π/3, [0, π] • #9 P = π, [-π/4, 11π/4] #10 P = 4π, [0, 12π] • #22 #31 x = ±0.59, ±5.69 • #42 <B = 35°, c = 27.16, a = 22.25 #25 0.52, 30° #27 0.64, 36.87° • #29 0.79, 45° #33 0.52, 30° #34 1.31, 74.78° • #35 1.03, 59.04° #54
6.1 – 6.5 Review!! Know how to: Determine angle values and trig values from the unit circle Determine trig values of an angle Identities Graphs of all trigs Solving trigs Knowing all triangles and properties • Determine/draw an angle • Determine coterminal, supplement and complement angles • Determine an angle from a point on the graph • Transfer between degrees and radians • Find arc length
6.1 – 6.5 Review!! Examples: If P(x,y) refers to the unit circle, find: Find: • Find the equivalent, two coterminal angles, supplement and complement.
6.1 – 6.5 Review!! More Examples: • Prove that:cos2x - sin2x = 2cos2x – 1 • Graph each of the trig functions over one period and state the domain, range and asymptotes.