How do you find the derivative of $y = cos 3 x$ $y=cos 3x$ ?

Question

How do you find the derivative of $y = cos 3 x$ $y=cos 3x$ ?

1 Answer

Impact of this question

90258 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2015-02-07T12:58:30

You can use the Chain Rule: first you derive the $cos$ $cos$ as it is (without changing its argument) and then multiply by the derivative of the argument, $3 x$ $3x$ .

So you get:

$y'=-sin(3x)*3=-3sin(3x)$

Science

Math

Humanities

... and beyond

How do you find the derivative of $y = cos 3 x$ $y=cos 3x$ ?

1 Answer

Related questions

Impact of this question

Science

Math

Humanities

... and beyond

How do you find the derivative of y=cos 3xy=cos3xy=cos 3x?

1 Answer

Related questions

Impact of this question

How do you find the derivative of $y = cos 3 x$ $y=cos 3x$ ?