PreCalculus
posted by Tonya .
Please check:
1.Find polar equation of x^2 + y^2 = 10y
r^2 for x^2 + y^2 and sin(theta sin for y
=r^2=10sin(theta)
2. y=5
r=5/sin
3. x^2+y^2
=x^2 + y^2 =2x+3y
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