Question #347
EasySSC CGL 2024Tier 1Simplification
Let x = r cos (t), y = r sin (t) cos (u), z = r sin (t)sin (u). Then the value of x2 + y2 + z2 is ___.
A
2r
B
r2 cos (u)
C
r2
D
r2 sin (t)
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Question: Let x = r cos (t), y = r sin (t) cos (u), z = r si... - PrepLeague