# Angles and Degrees

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

Note: These angles are in degrees.

Possible choices:

a. -21.3

b. -12.1

c. -3

d. -2.07

https://brainmass.com/math/geometry-and-topology/angles-degree-parameters-22304

#### 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 + jb +1.932 + 0.518j) = a + jb

=6(-0.5 + ...

#### Solution Summary

This solution calculates the exact angle in degrees, when certain parameters are given.

$2.49