Question

a. ((-5)(-5)+(-7)2*(V16-2)

Answer 1

Respuesta:

(-5)(-5)+(-7)2*(V16-2)

Explicación paso a paso:

Multiple: -5 * (-5) = 25

Multiple: -7 * 2 = -14

Angle notation (phasor): the result of step No. 2 L 16 = -14 L 16 = -13.4576637-3.858923i

-14 ∠ 16° = -14 L 16° = -14 cis 16° = -14 * (cos 16° + i sin 16°) = -13.4576637-3.858923i

We assume trigonometric angle argument in degrees.

Subtract: the result of step No. 3 - 2 = (-13.4576637-3.858923i) - 2 = (-13.4576637-2) + (-3.858923i) = -15.4576637-3.858923i

Multiple: the result of step No. 1 * the result of step No. 4 = 25 * (-15.4576637-3.858923i) = -386.4415936-96.4730745i