Pc 5.4 notes
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1 5.4 Sum and Difference Formulas Essential Question: How do you evaluate the exact value of a "non-special" angle? Standard: Trig 10.0
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Transcript of Pc 5.4 notes
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5.4 Sum and Difference FormulasEssential Question:How do you evaluate the exact value of a "non-special" angle?
Standard: Trig 10.0
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5.4 Sum and Difference Formulas
Find the exact value:sin 75°
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Find the exact value:sin 75°
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Ex. 1﴿ Find the exact value of the following functions:
tan 105°
cos 11π/12
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Ex. 2﴿ Evaluate without a calculator.cos 78°cos 18° + sin 78°sin 18°
Ex. 3﴿ Verify
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Ex. 4﴿
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Assignment:
5.4 p. 404#4, 7, 11, 14, 15, 25, 39, 41, 56, 61
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