Question

求几何题高手帮我算算这条抛物线的规律

Answer 1

答：

Y值和θ角确实有函数关系,如下：

Y = 4 sinθ/[1 - cosθ]

角度和Y值对应表如下：(列举9个)

{90°,80°,70°,60°,50°,40°,30°,20°,10°}

{4.0000000,4.7670144,5.7125920,6.9282032,8.5780277,10.989910,14.928203,22.685127,45.720209}

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