หน้าแรก
ค้นหา
If y = e^x cos x, prove that dy/dx = √2 e^x cos( x+π/4)
If y = e^x cos x, prove that dy/dx = √2 e^x cos( x+π/4)
แสดงข้อมูลเพิ่มเติม 1
If `y=e^xcosx ,p rov et h a t(dy)/(dx)=sqrt(2)e^xcos(x+pi/4)`
If y = (cosx + sinx)/(cosx - sinx) , Prove that dy/dx = sec²(x + pi/4 )
If y = (cosx)^(cosx)^(cosx)^...infinity then prove that dy/dx = -y^2tanx/(1-ylogcosx)
If `y=e^x(sinx+cosx)` prove that `(d^2y)/(dx^2)-2(dy)/(dx)+2y=0` .
If `y=e^xcosx` , prove that `(d^2y)/(dx^2)=2\\ e^xcos(x+pi/2)` .
If `y=e^-x cos x`, show that `(d^2y)/(dx^2)= 2e^-1 sin x`
If `y=e^(-x)cosx` , show that `(d^2y)/(dx^2)=2e^(-x)sinx` .
If y = e^ (x ^2 cosx) + (cosx) ^x, then find dy/dx | if y = e power x square cos x + cos x power x
If `f(x)=cosx.cos2x.cos4x.cos8x.cos16x` , then `f'(pi/4)` is :
If `y=(e^(2x) cosx)/(xsinx)` then `(dy)/(dx)=`
If y= e^x +e^-x, prove that dy/dx = √y^2-4
If `y = (cosx)^((cosx)^((cosx)^(\".....\"oo)))` , then show that `(dy)/(dx) =(y^(2)tanx)/(ylogcos
Derivative of Y=Square root Cos(x)+Square root Cos(x)+Square root Cos(x)+....
If `y=sqrt(((1+cosx)/2)),` prove that `(dy)/(dx)=- 1/2 (sin) x/2.`
16If y = (cos x - sin x)/(cos x + sin x) then d/dx (y) is:(a) - sec^2 (pi/4 - x)(b) sec^2 (pi/4
If `y=e^a\\ cos^((-1)x)` , prove that `(1-x^2)(d^2y)/(dx^2)-x(dy)/(dx)-a^2\\ y=0` .
If `y = (cos x)^((cosx)^((cos x)...oo)), " then " dy/dx ` is equal to
If cos y = x cos(a + y) prove that dy by dx equal cos²(a + y) by sin a
If `y = e^x (sin x+ cos x)`, prove that `(d^2y)/dx^2 - 2 dy/dx = 2y =0`
`If y=sqrt(cos x+sqrt(cos x +sqrt(cos x+....oo))) \" then prove that \" dy/dx = sinx /(1-2y).`
