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Find del z/elt if z=² sin y where x=² and y=²
A. ²c²ᵗ²(²)+2ˢᵗ³co(²)
. *²ᵈ²co(²)+2¹ᵗ³(²)
C. 2²ᵗ²(²)+ˣᵗ²co(²)
D. 2ccᵗ²(²)+²cᵗᵗ²co(²)
E.None