sin 4.4- sin 2A (a) Verify that = tan A cos 4.4 + cos 2.4 (b) Express the following as a product of factors (i) sin 2x+sin 6x + sin 8x (1i) cos 5.4 +2 cos3.4+ cos A
sin 4.4- sin 2A (a) Verify that = tan A cos 4.4 + cos 2.4 (b) Express the following as a product of factors (i) sin 2x+sin 6x + sin 8x (1i) cos 5.4 +2 cos3.4+ cos A
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 15E
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