About Lesson
1.
Sketch the graphs of the following functions for
描绘下列各函数的图像当
(a) y = sin x
(b) y = cos x
(c) y = tan x
(d) y = cot x
(e) y = sec x
(f) y = cosec x
Sketch the graphs of the following functions for
描绘下列各函数的图像当
(a) y = sin x
(b) y = cos x
(c) y = tan x
(d) y = cot x
(e) y = sec x
(f) y = cosec x
(2)
Sketch the graphs of the following functions for
描绘下列各函数的图像当
(a) y = sin x
(b) y = cos x
(c) y = tan x
(d) y = cot x
(e) y = sec x
(f) y = cosec x
Sketch the graphs of the following functions for
描绘下列各函数的图像当
(a) y = sin x
(b) y = cos x
(c) y = tan x
(d) y = cot x
(e) y = sec x
(f) y = cosec x