Derivatives of Trigonometric Functions3.3

2

Radians

For Calculus always use radians, not degrees.

Know the unit circle:

3

Derivatives of Trigonometric Functions

So we have proved the formula for the derivative of the sine

function:

4

Example 1Differentiate y = x2 sin x.

Solution:Using the Product Rule and Formula 4, we have

5

Derivative of sin(x) - Exercises

6

Derivatives of cos x

7

Derivative of cos(x) - Exercises

8

Derivative of tan(x)

9

Derivatives of tan(x)

10

Derivatives of tan(x)

11

Derivative of tan(x) - Exercises

12

Derivatives of Trigonometric Functions

13

Derivative of Trig Fcts - Exercises