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weeeeeb [17]
3 years ago
8

Find the rectangular coordinates of the point (-4, pi/3)

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
7 0

Answer:

\texttt{The rectangular coordinates of the point (-4, pi/3)}=(-2,-2\sqrt{3})

Step-by-step explanation:

Conversion of parametric form of ( r , θ ) to rectangular coordinate can be done by using the formula ( rcosθ , rsinθ ).

Here we need to convert (-4, pi/3) in to rectangular coordinate form.

Which can be converted to rectangular coordinate form as

         \left ( -4cos\left ( \frac{\pi}{3} \right),-4sin\left ( \frac{\pi}{3} \right)\right )=\left ( -4\times \left ( \frac{1}{2} \right),-4\times \left ( \frac{\sqrt{3}}{2} \right)\right )=(-2,-2\sqrt{3})

\texttt{The rectangular coordinates of the point (-4, pi/3)}=(-2,-2\sqrt{3})

ale4655 [162]3 years ago
5 0
The point is in Quadrant III; I know that because of the " - " sign.

The angle from the positive x-axis counterclockwise from zero is pi plus pi/3, or 4pi/3.

The x-coordinate of the point is then 4 cos 4pi/3, or -2.

The y-coordinate of the point is 4 sin 4pi/3, or -3.46.

Check:  Is the Pyth. Thm. satisfied here?  Does (-2)^2 + (-3.46)^2 = 4^2?

Yes.  That comes out to 15.97, which is close enough to verify these 2 coordinates are correct.
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Step-by-step explanation:

I don't know that format but I'm going to take a guess.

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1 year ago
F(x) = 3x + 2<br> What is f(5)?
nika2105 [10]

Answer:

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Step-by-step explanation:

f(x) = 3x + 2

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8 0
3 years ago
Read 2 more answers
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Effectus [21]

Answer:

The answer is :

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Step-by-step explanation:

The break even point in a business is the point at which the total costs and the total revenue in a business are equal.

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Next, since we know that sal requires $75 in parts and labor to fix a computer, we will calculate the net price charged for each computer fixed as follows:

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The graphs below have the same shape. what is the equation of the red graph?
Naily [24]

Answer:

Option D. G(x)=x^{3}-1

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we have

F(x)=x^{3} -----> the parent function

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