Asked by Aditya
Suppose that the point (rho, theta, phi)= (12, 2pi/3, 5pi/4) in spherical coordinates can be expressed as (x, y, z) in rectangular coordinates. Find x+z. I first found x by using the conversion method (r*sin(theta)cos(phi)= x ) I got -3(sqrt(6)). Then I found z using (z= r*cos(theta) ) and got -6. I added these to get a final answer of -3(sqrt(6)) - 6 but apparently this answer is wrong.
Answers
Answered by
Damon
are you sure z is not r cos phi
in math theta is usually i the xy plane
x = r sin phi cos theta
y = r sin phi sin theta
z = r cos phi
In engineering and physics these conventions are often different, nut I suspect you should be using phi as the angle down from the z axis, not theta
in math theta is usually i the xy plane
x = r sin phi cos theta
y = r sin phi sin theta
z = r cos phi
In engineering and physics these conventions are often different, nut I suspect you should be using phi as the angle down from the z axis, not theta
Answered by
Damon
http://mathworld.wolfram.com/SphericalCoordinates.html
Answered by
Damon
Other than that - Good job !
Answered by
Aryan
whats the answer?
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