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Trig - Chapter 1

Angle Measure 3 Ways. Degrees -Radians -Grads -. Divides one rotation into 360 equal parts. Divides one rotation into 100 equal parts. Divides one rotation into 2p equal parts. Degrees Minutes - Seconds. Degrees -Minutes -Seconds -. Divides one rotation into 360 equal parts. Divides one

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Trig - Chapter 1

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    1. Trig - Chapter 1

    2. Angle Measure – 3 Ways Degrees - Radians - Grads -

    3. Degrees – Minutes - Seconds Degrees - Minutes - Seconds -

    4. Adding & Subtracting Angles 31º 28’ + 24º 34’ = 211º 42’ + 17º 54’ = 16º 3’ 21” - 3º 8’5” = 90º - 54º 12’ =

    5. Types of Angles Complementary Angles add up to ___º . Supplementary Angles add up to ___º .

    6. Using Complementary and Supplementary Angles The supplement of 20º is ___º. The complement of 40º is ___º. Find the measures of each angle if 3x + 4º and 2x - 9º are supplementary angles.

    7. Angles in Standard Position

    8. Angles in Standard Position

    9. Angles in Standard Position

    10. Angles in Standard Position

    11. Angles in Standard Position

    12. Angles in Standard Position

    13. Angles in Standard Position

    14. Angles in Standard Position

    15. Finding Coterminal Angles Add Multiples of 360º Subtract Multiples of 360º Example: Find the smallest possible positive angle coterminal to a 500º angle. Example: Find the smallest possible positive angle coterminal to a -500º angle.

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