Trigonometric Identities

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Sum and Difference <strong>Identities</strong> for Sine We can use the cosine sum and difference identities to derive similar identities for sine and tangent. Copyright © 2009 Pearson Addison-Wesley Cofunction identity Cosine difference identity Cofunction identities 5.4-4
Sum and Difference <strong>Identities</strong> for Sine Copyright © 2009 Pearson Addison-Wesley Sine sum identity Negative-angle identities 5.4-5
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5 Trigonometric Identities Copyrigh
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5.1 Fundamental Identities Fundamen
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Fundamental Identities Pythagorean
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Example 1 If and θ is in quadrant
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Example 1 (b) cot(- θ) Copyright
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Example 2 Express cos x in terms of
Page 13 and 14: Caution When working with trigonome
Page 15 and 16: 5 Trigonometric Identities 5.1 Fund
Page 17 and 18: Hints for Verifying Identities Lea
Page 19 and 20: Hints for Verifying Identities The
Page 21 and 22: Hints for Verifying Identities If
Page 23 and 24: Verifying Identities by Working wit
Page 25 and 26: Example 2 Copyright © 2009 Pearson
Page 31 and 32: Example 5 Right side of given equat
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Page 37 and 38: 5.3 Sum and Difference Identitites
Page 39 and 40: Difference Identity for Cosine Sinc
Page 41 and 42: Difference Identity for Cosine Subt
Page 43 and 44: Cosine of a Sum or Difference Copyr
Page 45 and 46: Example 1(b) Find the exact value o
Page 47 and 48: Cofunction Identities Similar ident
Page 51 and 52: Applying the Sum and Difference Cop
Page 63: 5.4 Sum and Difference Identities f
Page 67 and 68: Sum and Difference Identities for T
Page 69 and 70: Sum and Difference Identities for T
Page 71 and 72: Example 1(a) Find the exact value o
Page 73 and 74: Example 1(c) Find the exact value o
Page 83 and 84: 5.5 Double-Angle Identities Double-
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Page 95 and 96: Example 4 Simplify each expression.
Page 97 and 98: Example 6 where V is the voltage an
Page 107 and 108: 5 Trigonometric Identities 5.1 Fund
Page 113 and 114: Double-Angle Identities Copyright
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Example 2 Copyright © 2009 Pearson
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Example 3 Copyright © 2009 Pearson
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Example 5 VERIFYING AN IDENTITY Ver
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Trigonometric Identities

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