If x= e^t(cos t +sin t), y= e^t(cos t-sin t) then dy/dx=

If x-y=Sin^-1 x-Sin^-1 y then dy/dx=

If |x|<1then dy/dx(1-2x+3x²+...)=

d/dx{(√(a²+x²)+ √(a²-x²))/ (√(a²+x²)- √(a²-x²))}

d/dx{Tan^-1√(1-x/1+x)}=

If x²-xy+y²=1 and y’’(1)=

d/dx{Tan^-1(x-√x/1+x^3/2}=

If 3x²+4xy+2y²+x-8=0 and dy/dx at (1,1),(1,2),(2,-1),(-1,3) are respectively A,B,C,D then the descending order of A,B,C,D is

d/dx { log√(cosec x+1)-√(cosec x-1)}=

The derivative of (sin x)^x _w.r.to x is