Final Answer
$-\csc\left(x\right)^2$
Got another answer? Verify it here
Step-by-step Solution
Problem to solve:
$\frac{d}{dx}\left(\cos\left(x\right)\right)\cdot \csc\left(x\right)$
Specify the solving method
1
Simplify $\cos\left(x\right)\csc\left(x\right)$ into $\cot(x)$ by applying trigonometric identities
$\frac{d}{dx}\left(\cot\left(x\right)\right)$
2
Taking the derivative of cotangent
$-\csc\left(x\right)^2$
Final Answer
$-\csc\left(x\right)^2$