Stitz-Zeager_College_Algebra_e-book

9 unit vectors let v be a vector if v 1 we say that v

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Unformatted text preview: c y 9 π 3 5 1 −3 −1 1 3 x −1 −9 −2 θ = π + arcsin θ= −3 5π 3 θ = 2π − arcsin x 9 2 7 −9 (q) Lemniscate: r2 = sin(2θ) y (n) Lima¸on: r = 1 − 2 sin(θ) c y 3 θ= 2 2 7 1 5π 6 θ= π 6 1 −3 −1 1 3 x 1 x 2 −1 x −1 −3 −1 √ (o) Lima¸on: r = 2 3 + 4 cos(θ) c y (r) Lemniscate: r2 = 4 cos(2θ) y √ 2 3+4 2 θ= θ= 5π 6 3π 4 θ= π 4 √ 23 x √ −2 3 − 4 θ= √ 2 3+4 7π 6 −2 √ −2 3 √ −2 3 − 4 −2 11.5 Graphs of Polar Equations 823 π 13π 5π , 1, , , 1, 12 12 12 7π 11π 17π , −1, , −1, , 1, 12 12 12 19π 23π −1, , −1, 12 12 2. (a) r = 2 sin(2θ) and r = 1 y 1, 2 −2 x 2 −2 (b) r = 3 cos(θ) and r = 1 + cos(θ) y 3π , , 23 3 5π , , pole 23 3 2 1 −3 −2 −1 −1 1 2 3 x −2 −3 (c) r = 1 + sin(θ) and r = 1 − cos(θ) y 2 1 −2 −1 1 −1 −2 2 x Pole, √ 2 + 2 3π , , 2 4 √ 2 − 2 7π , 2 4 824 Applications of Trigonometry (d) r = 1 − 2 cos(θ) and r = 1 y 1, π , 2 1, 3π , (−1, 0) 2 3 1 −3 −1 1 3 x −1 −3 3 √ , arctan(3) , pole 10 (e) r = 3 cos(θ) and r = sin(θ) y 3 2 1 −3 −2 −1 1 2 3 x −1 −2 −3 (f) r2 = 2...
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This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

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