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Lesson 6.1- Angle Measure

Lesson 6.1- Angle Measure. Warm-Ups are 6.2:. Classwork: Book : pg.487; 61-65 all. a. 89.06. b. 238,900 mi. 6155.78 mi. ANSWERS. PRE. Lesson 6.1 Angle Measure. Objectives: To understand the difference between radian measure and degree measure. To convert between radians and degrees.

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Lesson 6.1- Angle Measure

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  1. Lesson 6.1- Angle Measure Warm-Ups are 6.2: Classwork:Book: pg.487; 61-65 all a. 89.06 b. 238,900 mi 6155.78 mi ANSWERS

  2. PRE Lesson 6.1 Angle Measure • Objectives: • To understand the difference between radian measure and degree measure. • To convert between radians and degrees. • To understand co-terminal angles and how to find them. • To understand arc lengths and area of sectors.

  3. Don’t Throw AWAY UNIT CIRCLE

  4. Trig Vocabulary

  5. Trig Vocabulary

  6. Trig Vocabulary

  7. Trig Vocabulary

  8. Trig Vocabulary

  9. Standard Position An angle is in standard position if it is drawn with its vertex at the origin and its initial side on the positive x-axis.

  10. Relationship between Degrees and Radians To convert degrees to radians, multiply by To convert radians to degrees, multiply by

  11. Ex 1. Find the degrees or radians of each:

  12. Ex 2. Find one positive and one negative angle that is coterminal with the angle  = 30° in standard position. Ex 3. Find one positive and one negative angle that is coterminal with the angle  = in standard position.

  13. Classwork:Book: pg.474; 1, 3, 11, 13, 21-59 odd & 63

  14. Classwork:Book: pg.474; 1, 3, 11, 13, 21-59 odd & 63

  15. Classwork:Book: pg.474; 1, 3, 11, 13, 21-59 odd & 63

  16. Classwork:Book: pg.474; 1, 3, 11, 13, 21-59 odd & 63

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