5-3-4

Drawing a 3D Graph

Example 2: To graph a parametric equation

S ClassPad Operation

(1)In the 3D Graph application, make the 3D Graph Editor window active.

(2)Tap to specify input of a parametric equation.

(3)Tap line Xst1, and then input sin(t) × cos(s).

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(4)Press .

(5)In line Yst1 input cos(t) × cos(s).

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(6)Press .

(7)In line Zst1 input sin(s).

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(8)Press .

(9)Tap to graph the parametric equation.

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