x=r cos theta y=rsin theta z=r sin theta then value of x^2+y^2+z^2/r^2
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if u put the value of x , y , z in the expression...u will get ...
r^2cos^2θ +r^2sin^2θ +r^2sin^2θ /r^2
= r^2(1+sin^2θ)/r^2
= (1+sin^2θ)
Step-by-step explanation:
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