1)if y=e^x . cot x then dy/dx will be
2) f(x)=sin²x-cos²x then the value of f' (π/4)
Physics? Fire your physics teacher.
y=e^x cot x
y'= cotx*e^x + e^x (-csc^2 x)
2) f(x)=sin²x-cos²x then the value of f' (π/4)
y=e^x cot x
y'= cotx*e^x + e^x (-csc^2 x)