linspace(0, 2*np. pi,100) y1=np.sin(x) y2=np⋅cos(x) plt.xlabel("x-变量") plt.ylabel("y-变量") plt.title("函数图像") p1t⋅p1ot(x,y1,x,y2) plt. show() 反馈 收藏
int sqrt(1+sin (x/2)) dx = 03:37 int dx/((1+e^(x))(1+e^(-x)) 02:56 int e^(log(tan x) dx = 01:14 int e^(x) (1+tan x + tan^(2) x) dx 01:37 int dx/(sin x + cos x) = 04:45 int ((x+3)e^(x))/((x+4)^(2)) dx is equal to 01:31 The value...
Simplify the trigonometric expression. sin(x) / csc(x) + cot(x) Simplify: \left(\sin(x)+ \cos(x) \right)^{2} Simplify the expression: (sin(x) + cos(x))^2 Simplify the trigonometric expression \dfrac{1}{1-cos(x)} - \dfrac{cos(x)}{1 + cos(x)} by writing the simplified...
Given that sin^2x = \frac{4}{13}, what is the cos^2x? What is cos^2(x) when x is 0? How do you verify that cos^2(x) - sin^2(x) = 1 - 2sin^2(x)? How do you solve cos^2(x) + 3cos(x) - 1=0? Solve the following: sin^4x - cos^2x = 0. How do you ...
https://math.stackexchange.com/questions/1555757/length-of-the-curve-x-3-cos-left6t-right-y-18t3-sin-left6t-ri You have erroneously introduced a minus sign when you have done your u-substitution. You were doing: 182∫06π1−cos6tsin6tdt Let u=1−cos6t so du=6sin6t ... Div...
Step 2: We know, cos (a - b) = cos a cos b + sin a sin b. ⇒ cos(90º - 30º) = cos 90ºcos 30º + sin 90ºsin 30º since, sin 90º = 1, sin 30º = 1/2, cos 90º = 0, cos 30º = √3/2 ⇒ cos(90º - 30º) = (0)(√3/2) +...
2.5.4.115 UMinus 2.5.4.116 UPlus 2.5.4.117 Upper 2.5.4.118 WeekDay 2.5.4.119 Year 2.5.5 Parse Token Table 2.5.6 Parse Token Definitions 2.5.7 Custom Input Type Definitions 2.5.8 Custom Token Groupings 2.5.9 Custom Internal Unit Types 2.5.10 Custom Structures 3 Structure Examples 4 Security...
x=angle 2 / pi - 1/2 The approximation: (“~=” stands for “approximately equals”) sin(angle) ~=sinapprox(x)=(2 - 4 c) x^2 + c + x cos(angle) ~=cosapprox(x)=(2 - 4 c) x^2 + c - x As you see, the only difference is in the last sign, so you can calculate ...
1. What is the value of cos 120 and how to calculate it? The value of cos 120 is minus half which can be written as -1/2 or -0.5. there are two ways through which the value of cos 120 can be calculated, they are as follows- ...
(b) For expression sin^(-1)(sinx)+cos^(-1)(cosy) to be an integer, x should lie between [-(pi)/(2),(pi)/(2)] and y should lie between [0,pi] x=1 and y=1,2,3 :. Required probability =(3)/(16)