If x=rsinAcosC ,y=rsinAsinC ,z=rcosA.Prove that r2 =x2+y2+z2
 

Asked by schandrasekar20 | 8th Aug, 2014, 03:14: PM

Expert Answer:

Answered by Vimala Ramamurthy | 10th Aug, 2014, 05:44: PM

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