Question

Show that the derivative of 1/tan(x) = -cosec^2 (x)

Answer 1

\[tan x =\frac{sin}{cos}\] so what is \(\dfrac{1}{tan x}\) =?

Answer 2

\[\frac{ 1 }{\tan \theta}=-\csc ^{2} \theta \]

Answer 3

cos / sin

Answer 4

sure, just take derivative of a fraction, apply quotient rule. that'sit

Answer 5

thanks