The process of solving the maximum and minimum of y = [1 + SiNx] / [2 + cosx]

The process of solving the maximum and minimum of y = [1 + SiNx] / [2 + cosx]

Step1: combine numbers and shapes, draw out the plane rectangular coordinate system, treat (COS x, SiN x) as any point on the unit circle with (0,0) as the center. Step2: find out the point (- 2, - 1) Step3: connect any point (COS x, SiN x) on the circle with (- 2, - 1), and the slope of the line where the line segment is located can be expressed as k = [SiNx +

Elden Ring Premiere

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