# Determining Angle in Trigonometric Equation

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Determine b when (6 angle (120deg))*(-4+jb+2*exp(j*15))=a+jb.

Note: angles are in degrees.

a. -21.3

b. -12.1

c. 3.5

d. 5.2

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#### Solution Preview

(6 angle (120deg))*(-4+jb+2*exp(j*15))=a+jb

6(cos(120) + jsin(120))*(-4 + jb +2*cos(15) + j2*sin(15)) = a + jb

6(-0.5 + 0.866j)*(-4 ...

#### Solution Summary

Solution includes calculations and solves by equating real with real and imaginary with imaginary terms.

$2.49