Prove the identity. sin(3x) + sin(4y) = tan (3x + 4y) cos(3x) + cos(4y) 2 Use the Sum-to-Product Formulas and then simplify. sin(3x) + sin(4y) cos(3x) + cos(4y) || = 2( sin COS X × ) X
Prove the identity. sin(3x) + sin(4y) = tan (3x + 4y) cos(3x) + cos(4y) 2 Use the Sum-to-Product Formulas and then simplify. sin(3x) + sin(4y) cos(3x) + cos(4y) || = 2( sin COS X × ) X
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.5: Product-to-sum And Sum-to-product Formulas
Problem 11E
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