## Calculus: Early Transcendentals 8th Edition

$y'=-6x\csc^{2}(3x^{2}+5)$
$y=\cot(3x^{2}+5)$ Start the differentiation process by using the chain rule: $y'=-(3x^{2}+5)'\csc^{2}(3x^{2}+5)=...$ Evaluate the indicated derivative and simplify: $...=-6x\csc^{2}(3x^{2}+5)$