SOLVED:sin ( 3x - 1/2 Phi)= Sin 1/3 Phi ,0 < X < 2 Phi. - Numerade

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sin ( 3x - 1/2 Phi)= sin 1/3 phi ,0 < x < 2 phi. sin ( 3x - 1/2 Phi)= sin 1/3 phi ,0 < x < 2 phi.

Added by Yolanda D.

Elementary and Intermediate Algebra Alan S. Tussy, R. David Gustafson 5th Edition

Step 1

First, we need to use the identity sin(a-b) = sin(a)cos(b) - cos(a)sin(b) to rewrite the left-hand side of the equation: sin(3x - 1/2 Phi) = sin(3x)cos(1/2 Phi) - cos(3x)sin(1/2 Phi) Show more…

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