Convert the polar equation∅=45° to a Cartesian equation.Choices:y=xy=√2xy=2x
1 answer:
Explanation
Step 1:
Given data

Step 2:
Write the equations relating polar to rectangular coordinates are
![\theta\text{= arc}\tan (\frac{y}{x})\text{ or }\tan (\theta)\text{ = }\frac{y}{x}\text{ and r = }\sqrt[]{x^2+y^2}](https://tex.z-dn.net/?f=%5Ctheta%5Ctext%7B%3D%20arc%7D%5Ctan%20%28%5Cfrac%7By%7D%7Bx%7D%29%5Ctext%7B%20or%20%7D%5Ctan%20%28%5Ctheta%29%5Ctext%7B%20%3D%20%7D%5Cfrac%7By%7D%7Bx%7D%5Ctext%7B%20and%20r%20%3D%20%7D%5Csqrt%5B%5D%7Bx%5E2%2By%5E2%7D)
Since your polar equation has no "r" we will not need the last equation.
Step 3:

Therefore

Final answer
y = x
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You didnt list any graph?? Can you add it please :)