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Use the identities for sin(a + b) and sin(a – b) to solve Exercises 56-57. 56. Add the left and right sides of the identities and derive the product-to-sum formula for sin a cos b. 57. Subtract the left and right sides of the identities and derive the product-to-sum formula for cos a sin b.

Use the identities for sin(a + b) and sin(a – b) to solve Exercises 56-57. 56. Add the left and right sides of the identities and derive the product-to-sum formula for sin a cos b. 57. Subtract the left and right sides of the identities and derive the product-to-sum formula for cos a sin b.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 62E
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Use the identities for sin(a + b) and sin(a – b) to solve Exercises 56-57. 56. Add the left and right sides of the identities and derive the product-to-sum formula for sin a cos b. 57. Subtract the left and right sides of the identities and derive the product-to-sum formula for cos a sin b.
Transcribed Image Text:Use the identities for sin(a + b) and sin(a – b) to solve Exercises 56-57. 56. Add the left and right sides of the identities and derive the product-to-sum formula for sin a cos b. 57. Subtract the left and right sides of the identities and derive the product-to-sum formula for cos a sin b.
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