课前热身1将下列函数化为Asin(ox+φ)+b或Acos(ax+φ)+b的形式(If(x)=sinx+co8x 2) f(x)= sin 2x+ √3cos 2x )
Iff'(x)=sinx+sin4xcosxthenf′(2x2+π2)= View Solution Iff(x)=x3−xandϕ(x)=sin2x, then find the valu of∣∣∣2f(ϕ(π2))∣∣∣ View Solution The area bounded by the graph ofy=f(x),f(x)>0on [0,a] and x-axis isa22+a2sina+π2cosathen find the value off(π2)...
结果1 题目∴(2(x+1)(x-1))/((2-x)(x+2)(x-2))(1)()1.Therecedersedf+feetsin+herif_2(2)()2.Myclnsin(sinθsinx)e(3)()3.Theredemory_1(4)():4=():():():():():():():():():():():():():():():():():():():():():():():():():(5)...
Answer to: Consider the function given below. f ( x ) = { 0 , x ? ? 2 sin 1 x + 2 , x > ? 2 (a) Does lim x ? ? 2 + f ( x ) exist? If so, what...
If x=(1+logt)/(t^2),y=(3+2logt)/t ,"f i n d"(dy)/(dx)dot 03:52 If x=3sint-sin3t ,y=3cos t-cos3t ,"f i n d"(dy)/(dx)"a t"t=pi/3dot 03:44 If sinx=(2t)/(1+t^2),tany=(2t)/(1-t^2),"f i n d"(dy)/(dx)dot 03:06 Differentiate tan^(-1)((...
当函数y-sinx的图象向左平移”个单位,则y=sin(x+),将所得图象上各点的横坐标缩-|||-为原来的,,纵坐标不变,则f(x)=sin(2x+2),即答案为(x)=sin(2x+第15题[答案]2-|||-【解析】-|||-根据题意画出图形,如图所示:-|||-A-|||-C-|||-B-|||-0-|||-1-|||-由△AOB的面积...
Answer to: If f(x) = 1/x, then (f^-1)'(x) = - 1/(x^2). a. True. b. False By signing up, you'll get thousands of step-by-step solutions to your...
∴u(x)min=u(x)极小值=u(3) 1-|||-二-|||-3-|||-e,故“2-X-|||-2c-|||-≤-|||-X-|||-e在(Xo,-|||-+-|||-∞)上恒成立”,只需2c-|||-≤-|||-u(x)min 1-|||-二-|||-3-|||-e,即1-|||-C-|||-≤-|||-3-|||-2e.②当X-|||-E-|||-...
If f(x)=(−1)[2π],g(x)=|sinx|−|cosx|,andφ(x)=f(x)g(x) (where [.] denotes the greatest integer function), then the respective fundamental periods of f(x),g(x),and φ(x) are (a) π,π,π (b) π,2π,π π,π,π2 (d) π,π2,π Video Solution Struggling ...
If f is continuous on [−π,π), then find the values of a and b. View Solution If f(x)=⎧⎪⎪ ⎪ ⎪ ⎪ ⎪⎨⎪⎪ ⎪ ⎪ ⎪ ⎪⎩(1−sin3x)3cos2x,x<π2a,x=π2b(1−sinx)(π−2x)2,x>π2 is continuous at x=π2, then the value of (...