Stitz-Zeager_College_Algebra_e-book

# We know that sin h so that h c sin since 180

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Unformatted text preview: = 2 6 √ 2 π = 2 4 1 2 = π 2 π 3 = √ 2 2 (g) arccos = π 4 = π 6 = π 6 √ 3 2 (h) arccos π 3 (i) arccos (1) = 0 √ 3 3 (e) arctan (f) arctan (1) = (g) arctan √ π 4 3= π 3 √ 3 3 (e) arccot (f) arccot (1) = √ = π 4 π 6 √ π (c) arcsec 2 = 4 √ π (d) arccsc 2 = 4 (g) arccot 3= π 3 726 Foundations of Trigonometry (e) arcsec (f) arccsc √ 23 3 √ 23 3 = = (g) arcsec (1) = 0 π (h) arccsc (1) = 2 π 6 π 3 √ 23 (c) arcsec − 3 4π 3 √ 5π (b) arcsec − 2 = 4 7π 7. (a) arccsc (−2) = 6 6. (a) arcsec (−2) = (d) arccsc (−1) = (e) (f) (g) (h) 3 4 = 5π 6 (d) arcsec (−1) = π √ 23 (c) arccsc − 3 = =− (d) arccsc (−1) = − 7π π =− 6 6 7π is und. sin arcsin 6 π 3π arccos cos − = 4 4 2π π arcsin sin = 3 3 3π π =− arctan tan 4 4 cos (arccos (π )) is und. sec (arccos (0)) is und. √ √ 3 tan arcsin =3 2 (i) cos arctan 4π 3 3π 2 √ 23 (c) arcsec − 3 10. (a) arcsin sin (d) = √ 23 (c) arccsc − 3 √ π (b) arccsc − 2 = − 4 (c...
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