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1.4 - Trigonometric Functions of Any Angle
22

1.4 - Trigonometric Functions of Any Angle. 2 Objectives Evaluate trigonometric functions of any angle. Use reference angles to evaluate trig functions.

Dec 18, 2015

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Matilda Stokes
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  • Slide 1
  • 1.4 - Trigonometric Functions of Any Angle
  • Slide 2
  • 2 Objectives Evaluate trigonometric functions of any angle. Use reference angles to evaluate trig functions. Use trig identities to evaluate trig functions Use trig models to solve real world problems
  • Slide 3
  • 3 Definitions of trigonometric functions Syr Cxr Tyx
  • Slide 4
  • Examples: 1) Let (-4, -3) be a point on the terminal side of . Evaluate the six trigonometric functions of . 2) Let (-5, 12) be a point on the terminal side of . Evaluate the six trigonometric functions.
  • Slide 5
  • Example: Use the given point on the terminal side of an angle in standard position. Evaluate the six trigonometric functions of . 1) (4, 5) 2)
  • Slide 6
  • 6 Quadrant angles cos sin 0 /2 3/2 22 xy
  • Slide 7
  • Quadrantal Angles Quadrantal angles- angles whose terminal side of lies on an axis.
  • Slide 8
  • Quadrantal Angles (Continue)
  • Slide 9
  • Examples: 1) Evaluate the six trigonometric functions of = 270. 2) Evaluate the six trigonometric functions of = 90.
  • Slide 10
  • 10 Trigonometric function signs A ll S tudents T ake C alculus Sin/csc Tan/cotCos/sec All 6 trig functions are positive in quadrant 1
  • Slide 11
  • 11 Find the quadrant 1. sin > 0; cos