View Solution Lety=secx+tanx−1tanx−secx+1.If(dydx)x=π4=a+√b, then value ofa+bis equal to View Solution Free Ncert Solutions English Medium NCERT Solutions NCERT Solutions for Class 12 English Medium NCERT Solutions for Class 11 English Medium ...
Step by step video, text & image solution for If y=y(x) and (2+sinx)/(y+1)((dy)/(dx))=-cos x,y(0) =1 then y (pi/2) equals : by Maths experts to help you in doubts & scoring excellent marks in Class 12 exams.Updated on:21/07/2023Class...
【题目】下列各组函数能够成复合函数f()的是() A、 y=f(t)=ln(10) u=if(x)=sinx-1 C、 y=f(n)=1/(u-u^2) 与 u=in(x)=sin^3x+cos^2x-1 D、 y=f(u)=arccosu与u=(r)=3+r2 相关知识点: 试题来源: 解析 【解析】 ∵sinx-10 , ∴ln(sinx-1) 没有意义, ∴A ...
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 )
If {eq}y=tanx=sinx/cosx {/eq} then find {eq}dy/dx {/eq}. Derivatives: There are some trigonometric derivative function are available in mathematics. Some general derivatives can be represented as; {eq}\begin{align*} \dfrac{d}\left( {\sin x} \right) &= \cos x\\ \dfrac{d}\...
Answer to: Evaluate \frac{dy}{dx} at the point (1,2), if y + cos(2x - y) = 3. By signing up, you'll get thousands of step-by-step solutions to...
If xy + \sin(y) = x, then y^\prime = \rule{1cm}{0.1mm} Prove identity: cos(x-y) cos(y) - sin(x-y) sin(y) =cos x. Prove the Identity. \cos(x) \sin(y) = \frac{1}{2} (\sin(x + y) -\sin(x - y)) What is sinx cosy + cosx siny? Simplify. \sin \frac{\...
先解y=√sin(cosx)的定义域 sin(cosx)≥0 2kπ≤cosx≤π+2kπ 当k=0, 0≤cosx≤π,此时即cosx≥0,∴x∈[-π/2 +2kπ,π/2 +2kπ] 当k≠0,x∈空集 ∴[-π/2 +2kπ,π/2 +2kπ] 再解y=√cos(sin x)的定义域 cos(sinx)≥0 ∴-π/2 +2kπ≤sinx≤π/2 +2kπ 当k=0,-π/...
\(cosx+sint⋅bsinx=spccostortcot⋯⋯frcm⋯erimosrotriftotreseretΔtrotrostresererctrerererer (1)This kind of bird is in the world. (2)Leave him ; he's trying to work. (3)Our teachers always combining theory with practice. (4)His father gave him some money to him in business...
We have (2+sinx" dx")/(y+1" dx")=-cos x int("dy")/("y+1")=-int("cos x dx")/("2+sin x") log |y+1|=-log|2+sin x|+logC =log|(C)/("2+ sin x")| y+1=(C)/("2+ sin x") Now y+1(4)/("2+ sin x") "at x"=0,y=1, C=4 "at x"=(pi)/(2),"...