Sum and Difference Formulas

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Presentation transcript:

Sum and Difference Formulas Accelerated Pre-Calculus

Sum and Difference Identities

Ex. Find the exact value of each expression. 1.

2.

Ex. Use the sum and difference formulas to find the exact values of the cosine.

Ex. Use the sum and difference formulas to find the exact values of the tangent.

Ex. Use the sum and difference formulas to find the exact value of the trig function.

Ex. Use the sum and difference formulas to find the exact value of the trig function. 6. cos (-210°)

You Try! Use the sum and difference formulas to find the exact value of the trig function.

EX. Find the exact value of the trigonometric function given: 7.

You Try! Find the exact value of the trigonometric function given: 7. cos (u – v)?

Sum and Difference WS #1-17 Assignment Sum and Difference WS #1-17