Wiki says it's(adsbygoogle = window.adsbygoogle || []).push({});

1 0

0 [itex]sin^2\theta[/itex]

My book says it's

[itex]cos²\theta[/itex] 0

0 1

I calculate

1 0

0 [itex]cos^2\theta[/itex]

?! which is it?

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# Metric tensor on unit sphere

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