Pc 5.5 notes_double_half

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5.5: Double and Half Angle Formulas Double-Angle Formulas:

Transcript of Pc 5.5 notes_double_half

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5.5: Double and Half Angle Formulas

Double-Angle Formulas:

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Ex. 1) Find the cos 2θ if sin θ=3/5 and 0<θ<π/2.

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Ex. 2) Find the tan 2θ if cos θ=5/13 and 3π/2<θ<2π.

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Ex. 3) Given the following information, find the exact value of the indicated trigonometric function.

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Ex. 4) Given the following information, find the exact value of the indicated trigonometric function.

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Ex. 5) Given the following information, find the exact value of the indicated trigonometric function.

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Assignment:

#25 p. 415#3, 4, 19, 20, 25, 35, 36, 37, 42, 46, 56