Cartesian coordinates and polar equations/polar coordinates. PRE CALC HELP!?

C

Chick

New member
A few questions I didn't get or need to check on hw. Let me know if you know any please.

1. Convert the polar coordinates (4, 315) to Cartesian coordinates. Answer written as:

(____sqr___,____sqr____)

2. Convert the polar coordinates (- 3, -pi/4) to Cartesian coordinates.Answer written as:

(____sqr____/____,___sqr____/_____)



3. Convert the Cartesian equation y = 4 to a polar equation. Answer written as:

r=___/___theta

4. Convert the Cartesian equation xy = 1 to a polar equation. Answer written as:

r^2=___/____theta cos theta

5. Convert the Cartesian equation x^ 2 + y^2 = 36 to a polar equation. Answer written as:

r=____

6. Simplify arcsin(sin 6pi). Two answers

___pi or ____degrees
 
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