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bija089 [108]
3 years ago
7

HELP!!!!!!!! PLease!!!!!!!Find all polar coordinates of point P where P = ordered pair 3 comma negative pi divided by 4.

Mathematics
2 answers:
allochka39001 [22]3 years ago
4 0

To answer this specific question, <span>the all polar coordinates of point P are </span>(3, -π/4 + 2nπ) and [ -3, -π/4 <span>+ (2n + 1)π ]. </span>I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.

max2010maxim [7]3 years ago
3 0

Answer:

All the polar coordinates of point P are P(3,2n\pi-\frac{\pi}{4}) and P(-3,(2n+1)\pi-\frac{\pi}{4}), where, n is any integer and θ is in radian.

Step-by-step explanation:

If polar coordinates of a point is defined as P(r,θ), then all the polar coordinates of that point are defined as

P(r,\theta)=P(r,2n\pi+\theta)

P(r,\theta)=P(-r,(2n+1)\pi+\theta)

Where, n is any integer and θ is in radian.

The given point is

P(3,-\frac{\pi}{4})

All the polar coordinates of point P are

P(3,-\frac{\pi}{4})=P(3,2n\pi-\frac{\pi}{4})

P(3,-\frac{\pi}{4})=P(-3,(2n+1)\pi-\frac{\pi}{4})

Where, n is any integer and θ is in radian.

Therefore all the polar coordinates of point P are P(3,2n\pi-\frac{\pi}{4}) and P(-3,(2n+1)\pi-\frac{\pi}{4}), where, n is any integer and θ is in radian.

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Step-by-step explanation:

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6 0
3 years ago
2 to the Third power -(30÷5) +9
OLga [1]

Answer:

11

Step-by-step explanation:

2^3-(30/5)+9

First, you divide 30/5 because it is in parentheses and we are following this rule for order of operations:

P- parentheses

E- exponents

M- multiplication

D- division

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so 30/5 = 6 and plugged in is:

2^3-(6)+9

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plugged back in:

8-(6)+9

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8 0
3 years ago
Rewrite the Cartesian equation y=-3 as a polar equation.
andreev551 [17]

r

sin

θ

=

−

3

Explanation:

Imagine we have a point  

P

with Rectangular (also called Cartesian) coordinates  

(

x

,

y

)

and Polar coordinates  

(

r

,

θ

)

.

The following diagram will help us visualise the situation better:

https://keisan.casio.com/exec/system/1223526375

https://keisan.casio.com/exec/system/1223526375

We can see that a right triangle is formed with sides  

x

,  

y

and  

r

, as well as an angle  

θ

.

We have to find the relation between the Cartesian and Polar coordinates, respectively.

By Pythagora's theorem, we get the result

r

2

=

x

2

+

y

2

The only properties we can say about  

θ

are its trigonometric functions:

sin

θ

=

y

/

r

⇒

y

=

r

sin

θ

cos

θ

=

x

/

r

⇒

x

=

r

cos

θ

So we have the following relations:

⎧

⎪

⎨

⎪

⎩

r

2

=

x

2

+

y

2

y

=

r

sin

θ

x

=

r

cos

θ

Now, we can see that saying  

y

=

−

3

in the Rectangular system is equivalent to say

r

sin

θ

=

−

3

Answer link

Jim G.

May 19, 2018

r

=

−

3

sin

θ

Explanation:

to convert from  

cartesian to polar

∙

x

x

=

r

cos

θ

and  

y

=

r

sin

θ

⇒

r

sin

θ

=

−

3

⇒

r

=

−

3

sin

θ

4 0
3 years ago
For the function F (X) = (x - 2)^2 + 4, identify the vertex.
VLD [36.1K]

Answer:

The answer will be D. (2,4)

5 0
3 years ago
Only answer this if you have an explanation and if you know what the answer is.
Rzqust [24]

Answer:

B. 3

Step-by-step explanation:

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