Suppose I have this cone equation $\frac{{{x^2}}}{{{a^2}}} + \frac{{{y^2}}}{{{b^2}}} = \frac{{{z^2}}}{{{c^2}}}$ in cartestian coordinates. How to determine an angle from z-axis interior to cone? Also, what does $a, b, c$ represent.

  • $\begingroup$ Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. $\endgroup$
    – Community Bot
    Nov 18 '21 at 5:21
  • $\begingroup$ When $a \neq b$ the cross-sections are not circular. So there won't be a single angle formed with the z axis. You could ask about the largest or smallest angle formed. $\endgroup$
    – coffeemath
    Nov 18 '21 at 8:20

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