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3 years ago

please help. people take my points without answering. 15 points left, please show work. and please dont just take my points

Mathematics

1 answer:

FromTheMoon [43]3 years ago

4 0

Answer:

Step-by-step explanation:

Reference angle in quadrant I,

θ' = θ

Reference angle in quadrant II,

θ' = 180° - θ

Reference angle in quadrant III,

θ' = θ - 180°

Reference angle in quadrant IV,

θ' = 360° - θ

13). θ = 315°

Since, the given angle is in the 4th quadrant,

Reference angle θ' = 360° - 315°

= 45°

14). θ' = (620° - 540°)

= 80°

Reference angle = 80°

15). θ' = 630° - θ

= 630° - 580°

= 50°

Reference angle = 50°

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4 years ago

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