The operation process of drawing the tangent function image on the geometric sketchpad

Step 1 Establish a plane triangular coordinate system

Open the drawing tablet, press and hold the [Custom Tool] button in the left toolbox with the mouse, and select [New New Coordinate System] in the pop-up shortcut option—— New coordinate system tool.

2. After selecting the tool, click once on the drawing board to draw the coordinate system. First click the [Initialization] button in the upper left corner of the drawing board to restore the coordinate system to its initial state, then click the [Trigonometric Coordinate System] button to convert the coordinate system to a triangular coordinate system,

Step 2: Execute the draw new function command. Click the [Draw] menu in the upper menu bar and select the [Draw New Function] command from its drop-down option.

Step 3 Enter the function expression. Type [tan(x)" in the pop-up dialog box, then click [OK], and the image of y=tanx will appear on the drawing board.

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