## 2.8 Derivatives of Trig Functions

Today you will be differentiating sine and cosine functions to develop the derivatives for these.  Once you have developed the derivatives for these, we can use our quotient rules and known trig identities to develop the derivatives for the remaining 4 trigonometric functions.

Things you should be able to do after today:

• find the derivatives of composite (sum and difference, product and quotient)  functions involving trigonometric functions
• Solve problems involving derivatives of trigonometric functions

Resources:

• Notes

Assignment:

• p140 #1-13 odd, 14, #15-25 odd, #29-35 odd

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