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jhosamelly
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Homework Statement
(a) For spherical coordinates, show that [itex]\hat{\theta}[/itex] points along the negative z-axis if [itex]\theta[/itex] = 90°.
(b) If [itex]\phi[/itex] also equals 90°, in what direction are [itex]\hat{r}[/itex] and [itex]\hat{\phi}[/itex]?
Homework Equations
The Attempt at a Solution
can i just explain this in words.. like
for a.
since we are rotating about the z axis , if theta is 90°, theta will automatically point to negative z-axis
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