用户:Slingerspir查看:6 回复:6 评论:6 创建时间:2021-12-19T16:29:26
https://shequ.codemao.cn/work/129551025?entry
几点的话...是这样的:versinθ=1-cosθ
vercosinθ=1+cosθ
coversinθ=1-sinθ
covercosinθ=1+sinθ
haversinθ=(1-cosθ)/2
havercosinθ=(1+cosθ)/2
hacoversinθ=(1-sinθ)/2
hacovercosinθ=(1+sinθ)/2
exsecθ=secθ-1
excscθ=cscθ-1
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