Cosine and sine of an angle θ are defined to be the x and y-coordinates of the point P on the unit circle with the property that the line from O to P makes and angle θ with the positve x-axis. cos(θ) ...

Use polar coordinates to solve the following problems, Express the polar equation r= cos2θ r = cos ⁡ 2 θ in rectangular coordinates. Sketch polar graphs of: r= 1+sinθ. r = 1 + sin ⁡ θ . r= cos3θ. r = ...

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