Introduction to Trigonometry

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Presentation transcript:

Introduction to Trigonometry Angles and Radians (MA3A2): Define an understand angles measured in degrees and radians.

Converting Degrees to Radians *Multiply by ∏ radians 180 degrees EX: 60° EX: 300° EX: 225° EX: -315°

ON YOUR OWN: Convert to radian measure. Give answer in terms of ∏. 14. 15° 15. 30° 16. 100° 17. -220° 18. -85°

ON YOUR OWN: Convert to radian measure. Give answer in terms of ∏. 14. 15° 15. 30° 16. 100° 17. -220° 18. -85°

Converting Radians to Degrees *Multiply by 180 degrees ∏ radians EX: EX: EX: EX:

ON YOUR OWN: Convert to Degrees 19. 20. 21. 22. 23.

ON YOUR OWN: Convert to Degrees 19. 20. 21. 22. 23. -210° -2160° 135° 225° 270°

WARM-UP: Common Degree and Radian Measures Fill in the table with the radian equivalents. *Multiply by ∏ radians 180 degrees DEGREES 0° 30° 45° 60° 90° 120° 135° 150° 180° RADIANS 210° 225° 240° 270° 300° 315° 330° 360°

WARM-UP: Common Degree and Radian Measures DEGREES 0° 30° 45° 60° 90° 120° 135° 150° 180° RADIANS 210° 225° 240° 270° 300° 315° 330° 360°