Find the equation of the tangent to the curve y=1x at the point (1,1) and the equation of the tangent to the curve y=cos x at the point (π2,0). Deduce that 1x>cos x for 0≤ x≤ π2. 相关知识点: 试题来源: 解析 y=-x+2, y=-x+ 12π 结果一 题目 Find the equation ...
,which is parallel to the x-axis 2.Find the equation of the tangent to the curve y=x2-2x which is perpendicular to the line 2y=x-1 3.Find the equation of the normal to the curve y=3x2-2x-1 which is parallel to the line y=x-3 ...
【题目】1.Find the equation of the tangent to the curve y=x^2 ,which is parallel to the r-aris2.Find the equation of the tangent to the curve y=x^2-2x which is perpendicular to the line 2y=-13.Find the equation of the normal to the curvey=3x^2-2x-1 which is parallel to ...
解析 x=tcos t, y=tsin t; t=π t=π , t=π , and t=π . When t=π, (x,y)=(-π ,0) and (x,y)=(-π ,0), so an equation of the tangent to the curve at the point corresponding to t=π is y-0=π [x-(-π )], or y=π x+π ^2....
aFind the equation of the tangent to the curve 4x2 + 3y2 = 7 at the point (1,1) . 发现正切的等式对曲线4x2 + 3y2 = 7在点 (1,1) 。[translate]
【题目】Find the equation of the tangent to the curvegiven parametrically byx=a(t+cost) y=a(1-sint) atthe pot where atthepOsintuheret=π/(4) t=π/(4) 相关知识点: 试题来源: 解析 【解析】(|x|)/(|d|)=a(1-sint) (v_1)/d=-acost⇒(v_1)/(v_1x)=(-cost)/(1-sint)...
(15分)On Oct.21,2018 China's restaurant chain(1)___(serve)Shaxian County snacks(小吃)opened its first eatery in the United States,but closed three hours after it was officially opened to the public as all the(2)___(dish)on the menu were sold out.In the past month,the newly﹣opene...
get Equation of the tangent plane on the surface(x^2-2y^2+2z=4) on p0(x0,y0,z0) and then find a point that tangent plane on the curve on this point is Horizontal ? i get the Equation of the tangent on the surface(x^2-2y^2+2z=4) on p0(x0,y0,z0) [URL]http://latex.co...
Write down the equations of tangent lines to the curve of the implicit function x2+2x+2y2−4y=5 that are normal to the line y=x+12. Tangent to the curve: In this question, we have to find the equation of the...
【题目】Find the equation of the tangent to the curvey= at the point (,1) and the equation of thetangent to the curve y=cosx at the point (π/(2),0)Dedu ethat1/xcosx=for0≤x≤π/(2) 相关知识点: 试题来源: 解析 【解析】y=-x2, y=-x+1/2π ...