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Lesson 5.4 Sum and Difference Formulas Warmup: Can you find sin 75 0 without your calculator?

Lesson 5.4 Sum and Difference Formulas Warmup: Can you find sin 75 0 without your calculator?. Sum & Difference Formulas. Notice the difference between sine and cosine!. Use these formulas to change the angle to a combination of angles from the unit circle:. From our warmup:.

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Lesson 5.4 Sum and Difference Formulas Warmup: Can you find sin 75 0 without your calculator?

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  1. Lesson 5.4 Sum and Difference Formulas Warmup: Can you find sin 750 without your calculator?

  2. Sum & Difference Formulas Notice the difference between sine and cosine!

  3. Use these formulas to change the angle to a combination of angles from the unit circle:

  4. From our warmup: Example: Evaluate

  5. We can use these formulas to verify and solve trigonometric problems: Example: Verify

  6. Example: Solve Problems Set 5.4

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