Álgebra linear Exemplos

$5.4 (\cos (68.2) + j \sin (68.2)) - 5 (\cos (53.1) + j \sin (53.1))$

Etapa 1

Simplifique cada termo.

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Etapa 1.1

Aplique a propriedade distributiva.

$5.4 \cos (68.2) + 5.4 (j \sin (68.2)) - 5 (\cos (53.1) + j \sin (53.1))$

Etapa 1.2

Multiplique $5.4$ por $\cos (68.2)$ .

$2.00538631 + 5.4 (j \sin (68.2)) - 5 (\cos (53.1) + j \sin (53.1))$

Etapa 1.3

Multiplique $\sin (68.2)$ por $5.4$ .

$2.00538631 + 5.01382346 j - 5 (\cos (53.1) + j \sin (53.1))$

Etapa 1.4

Aplique a propriedade distributiva.

$2.00538631 + 5.01382346 j - 5 \cos (53.1) - 5 j \sin (53.1)$

Etapa 2

Subtraia $5 \cos (53.1)$ de $2.00538631$ .

$5.01382346 j - 0.99671481 - 5 j \sin (53.1)$