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# Day 1 polar

Polar Day 1

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### Day 1 polar

1. 1. Learning Targets – Unit 10  I can convert polar and rectangular coordinates and equations  I can graph polar equations  I can use scalar multiples and adding principals when using vectors  I can find the component form and magnitude of vectors  I can apply vectors to force and navigation  I can convert parametric equations
2. 2. Pre-Calculus Section 6.4 in your book…
3. 3. Polar Coordinates  Is a plane with a point O, the pole and a ray from 0, the polar axis.
4. 4. A quick “how to”…
5. 5. Examples  A (2, 45º)  B (-1.5, )  C ( 3, -30º)  D (-1, ) 2 π 3 2π
6. 6. Converting Polar and Rectangular Coordinates
7. 7. Converting from Polar to Rectangular 1. P(3, ) 2. Q(2, -200º) 6 5π
8. 8. Converting from Rectangular to Polar 1. P(-1, 1) 2. Q(-3, 0)
9. 9. Equation Conversion: (from polar to rectangular)  r = 4 sec Ө
10. 10. Equation Conversion: (from rectangular to polar)  (x-3)2 + (y-2)2 = 13
11. 11. Homework!  p. 539 (1-25 odd, 35-49 odd)