i got the 2 following parametrizations :(adsbygoogle = window.adsbygoogle || []).push({});

x=sin a sin b sin c

y=sin a sin b cos c

z=sin a cos b

w=cos a

And

x=sin a sin b

y=sin a cos b

z=cos a sin c

w=cos a cos c

Are those really 2 parametrizations of the 3-sphere and are they equivalent ?

Thanks.

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# Parametrizations of the 3-sphere

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