Trigonometria Exemplos

$\sin (42) \cos (48) + \cos (42) \sin (48)$

Etapa 1

Avalie $\sin (42)$ .

$0.6691306 \cos (48) + \cos (42) \sin (48)$

Etapa 2

Avalie $\cos (48)$ .

$0.6691306 \cdot 0.6691306 + \cos (42) \sin (48)$

Etapa 3

Multiplique $0.6691306$ por $0.6691306$ .

$0.44773576 + \cos (42) \sin (48)$

Etapa 4

Avalie $\cos (42)$ .

$0.44773576 + 0.74314482 \sin (48)$

Etapa 5

Avalie $\sin (48)$ .

$0.44773576 + 0.74314482 \cdot 0.74314482$

Etapa 6

Multiplique $0.74314482$ por $0.74314482$ .

$0.44773576 + 0.55226423$

Etapa 7

Some $0.44773576$ e $0.55226423$ .

$1$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$