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Mathematics 10 Online
zarkam21:

4 part question

zarkam21:

1 attachment
Vocaloid:

part I: for the r value you just need to see how long the red line is on A then for the theta value just see which angle the line lies on then write your solution as (r, theta)

zarkam21:

(3,5pi/6)

Vocaloid:

careful, it goes out to 4 units so (4,5pi/6) then repeat this process for part II on line B

zarkam21:

(2,pi/4)

Vocaloid:

good then for part III you have (-3, pi/3) first you will find the appropriate line for pi/3, but since we have -3 you will go in the opposite direction as you would normally do, then go out 3 units lmk if you're having some trouble w/ this step

zarkam21:

1 attachment
Vocaloid:

it doesn't go out that far, it's only 3 units

zarkam21:

1 attachment
Vocaloid:

good then for part IV you just take (-3, pi/3), multiply the r value by -1 and add pi to the theta

zarkam21:

so 3

Vocaloid:

good but what about theta?

zarkam21:

4pi/3

Vocaloid:

good so your sol'n is (3,4pi/3)

zarkam21:

so part IV i dont know that one:/

Vocaloid:

(3,4pi/3) is the solution for part IV

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