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OpenStudy (anonymous):
Find all polar coordinates of point P = (2, 14°).
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OpenStudy (anonymous):
@Hero
OpenStudy (anonymous):
@mathmale
OpenStudy (xapproachesinfinity):
|dw:1451365391833:dw|
OpenStudy (xapproachesinfinity):
first we draw that point to xy plane
OpenStudy (xapproachesinfinity):
|dw:1451365528209:dw|
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OpenStudy (xapproachesinfinity):
just need you to clear want thing to me the coordinates of P are (2,14)
or (2,14 (degrees))
the way you wrote it confusing
OpenStudy (xapproachesinfinity):
i take it was an error in your side, since you are trying to go from rectangular to polar
OpenStudy (xapproachesinfinity):
now any point in rectangular plane (or xy) is presented by coordinates (x,y)
in polar we represent a point with \[(r, \theta)\]
OpenStudy (xapproachesinfinity):
r is the distance from the origin to the point
we can find this using Pythagorean theorem
OpenStudy (xapproachesinfinity):
are you following?
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OpenStudy (anonymous):
how do i begin to use the pythagorean theorem for this?
OpenStudy (xapproachesinfinity):
|dw:1451365941608:dw|
OpenStudy (xapproachesinfinity):
now you look at this triangle is a right triangle
adjacent=2
opposite=14
using Pythatgorean theorem we obtain
\(14^2+2^2=r^2\)
OpenStudy (xapproachesinfinity):
|dw:1451366197230:dw|
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