Image and nature of tangent function ppt (Shanghai Education Edition is higher) courseware

The image and properties of the tangent function courseware (1) (Shanghai Education Edition is higher) When α is in the first quadrant: sine: sinα = BM> 0 cosine: cosα = 0B> 0 tangent: tanα = AT> 0 us It will be considered to divide the interval into eight equal parts. Nine points are drawn as tangent lines, respectively, and then draw a rough image of the tangent function using the point drawing method.

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