For each of the described curves, decide if the curve would be more easily given by a polar equation or a Cartesian equation. Then write an equation for the curve.
(a) A line through the origin that makes an angle of π/3 with the positive x-axis.
(b) A vertical line through the point (4, 4).

a) is the equation of the curve that makes an angle π/3.

b) is the equation of line through the point (4,4).

Step-by-step explanation:

Given:

A line from origin which makes an angle of with x-axis.

A vertical line from .

We have to write the equation of the curves in Polar or Cartesian format.

Step wise:

a) A line from origin which makes an angle of with x-axis.

To write the equation of the above line in Polar coordinates is more desirable as the angles could be defined well in polar form.

So,

⇒ ...equation (i)

⇒ ...here is the slope

The slope in terms of (angle) can be written as,

⇒

Plugging the values of the angle, .

⇒ ...equation (ii)

Now re-arranging the equation (i) we can write it as,

⇒  

b) A vertical line from .

Note:

The equation of a vertical line always takes the form x = k, where k is any number and k is also the x-intercept .

To write the above point in Cartesian coordinate is more acceptable and easy for us.

⇒

Then,

y = sq-rt(3) x is the equation of the curve that makes an angle π/3.

and x = 3 is the equation of line through the point (4,4).

the barter

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step-by-step explanation:

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