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3 years ago

What is the best description of the relation in Item 2?

Mathematics

1 answer:

Over [174]3 years ago

7 0

Whats item 2? there’s no context

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Find the rectangular coordinates of the point ( -3, 1/2 π)

alexdok [17]

Answer:

$x = -3 cos (\frac{\pi}{2})= 0$

$y = -3 sin (\frac{\pi}{2})= -3$

And then the rectangular coordinates for this case are :

$(x = 0 , y = -3)$

Step-by-step explanation:

We have the following point given $P = (-3, \frac{\pi}{2})$ and we want to conver from polar to rectangular coordinates and we need to use the following formulas:

$x = r cos \theta$

$y = r sin \theta$

For this case we have that:

$r = -3$

And:

$\theta = \frac{\pi}{2}$

Replacing we got:

$x = -3 cos (\frac{\pi}{2})= 0$

$y = -3 sin (\frac{\pi}{2})= -3$

And then the rectangular coordinates for this case are :

$(x = 0 , y = -3)$

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Irina18 [472]

Answer:

Step-by-step explanation:

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allochka39001 [22]

12/4 = 3 + 2x 1/2
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andriy [413]

I'm sorry my friend but I need as much help as you do I'm just answering this so I can get some help sorry

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Consider this expression: 4(5x - 7y). Enter an expression that shows the difference of exactly two terms that is equivalent to 4

Eddi Din [679]

Answer:

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Step-by-step explanation:

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