四个三角函数和微分积分号怎么读?
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四个三角函数和微分积分号怎么读?
![四个三角函数和微分积分号怎么读?](/uploads/image/z/20039752-64-2.jpg?t=%E5%9B%9B%E4%B8%AA%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0%E5%92%8C%E5%BE%AE%E5%88%86%E7%A7%AF%E5%88%86%E5%8F%B7%E6%80%8E%E4%B9%88%E8%AF%BB%3F)
三角函数的读法:
sin = sine
cos = cosine
tan = tg = tangent
cot = ctg = cotangent
sec = secand
csc = cosecand
微分 dx:
d x (安字母读)
导数 y‘,dy/dx
y' :y 撇,y prime
dy/dx :d y d x (按字母读),y对x求导,y的导数,
d y over d x,differentiate y with respect to x
积分∫:
∫:积分,积分从a到b,从a到b积分;
integrate,integrate form a do b,integral,integration.
sin = sine
cos = cosine
tan = tg = tangent
cot = ctg = cotangent
sec = secand
csc = cosecand
微分 dx:
d x (安字母读)
导数 y‘,dy/dx
y' :y 撇,y prime
dy/dx :d y d x (按字母读),y对x求导,y的导数,
d y over d x,differentiate y with respect to x
积分∫:
∫:积分,积分从a到b,从a到b积分;
integrate,integrate form a do b,integral,integration.