Stitz-Zeager_College_Algebra_e-book

Ln x x2 16 ln4 f x2 sin2 sin 2 e sin8

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Unformatted text preview: when t = + 2kπ or t = + 2kπ for any integer k . 2 6 6 1 π 5π cos(t) = when t = + 2kπ or t = + 2kπ for any integer k . 2 3 3 sin(t) = −2 never happens cos(t) = 1 when t = 2kπ for any integer k . π sin(t) = 1 when t = + 2kπ for any integer k . 2 √ 2 3π 5π cos(t) = − when t = + 2kπ or t = + 2kπ for any integer k . 2 4 4 sin(78.95◦ ) ≈ 0.981 (c) sin(392.994) ≈ −0.291 (b) cos(θ) = − (c) (d) (e) (f) 4. (a) (b) (c) (d) (e) (f) (g) (h) (i) 5. (a) (b) cos(−2.01) ≈ −0.425 6. (a) (b) (c) (d) (e) (f) The The The The The The (d) cos(207◦ ) ≈ −0.891 hypotenuse has length ≈ 4.089. side adjacent to θ has length ≈ 1086.68. hypotenuse has length ≈ 100.65. side opposite θ has length ≈ 0.872. side adjacent to θ has length ≈ 9.962. side adjacent to θ has length ≈ 398.79. 7 24 , sin(θ) = 25 25 4 3 (b) cos(θ) = , sin(θ) = 5 5 5 9 (c) cos(θ) = √ , sin(θ) = − √ 106 106 2 11 (d) cos(θ) = − √ , sin(θ) = − √ 125 125 7. (a) cos(θ) = − 1...
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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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