回答：1) 方法一: 1.先画 sin( x) 2.将每一个周期[0:2pi] 缩小到 [0:pi/2]. 现在[0:2pi]区域内包括4个周期. 3.将函数图像整体左移pi. 4.将函数幅度增加为原来的2倍 5.将函数图像关于x轴对称. 方法二: 选取几个特殊点 x=-pi/2, -3pi/8, -pi/4, -pi/8, 0, pi/...
Solve sin x-3 sin 2x + sin 3x = cos x -3 cos 2x + cos 3x. 02:27 Draw the graph of cosx, sin x and tan x in [0, 2pi] 02:51 Draw sin x, sin 2x and sin 3x on same graph and with same scale 03:57 Evaluate(i) cos 36^(@) (ii)tan((13pi)/(12)) 11:16 cos^4...
Prove that sin theta< theta< tan theta for theta in (0,pi/2). 01:43 Find the value of x for which f(x)=sqrt(sinx-cosx) is defined, x in [0... 02:31 Draw the graph of y=sin x and y=cosx, 0 le x le 2pi 06:53 Draw the graph of y=tan(3x). 02:09 if cos x= ...
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Supported are all functions from the JavaScriptMathobject, likesin,cos,abs,random, ... Additionally supported are numerical JSXGraph functions fromJXG.Math`, seehttps://jsxgraph.org/docs/symbols/JXG.Math.html. FunctionDescription cos(x)Cosine of x ...
解析 Consider a function: y=sin x+2cos x. In the interval, [0,2π ] at some points, the functional values are as below.To sketch the graph of the function, plot the above points and then join those points with smoothcurve, red color as shown below....
数学函数图像为您作sin(x)/cos(x)的函数图像。
Equations Unfold Math OP Unfold Linear algebra Unfold Derivative function Function image Hot issues Function image: The function image taken from the image library. Current location:Function image > Function Image Library > Image返回豫ICP备19044667号 ...
\n var sin = Math.sin, cos = Math.cos;\n\n this.cameraLocation.x = this.cameraLocation.x + dx * cos(za) + dy * - sin(za) * cos(xa);\n this.cameraLocation.y = this.cameraLocation.y + dx * sin(za) + dy * cos(za) * cos(xa);\n this.cameraLocation.z = this.camera...
Answer to: Describe how the graph of the function y=1.5 \; \textrm{sin}(4x) is related to the graph of y=\textrm{sin} \; x. Then, graph two periods...