Question

Calcule

A) Seno 225°
B) Cos 150°
C) Seno 270°
D) Seno 300°
E) Cos 240°

Answer 1

A) -0.707106781
B) -0.866025403
C) -1.
D) -0.866025403
E) -0.5

Answer 2

Oie, Td Bom?!

A)

$\sin(225°) = - \frac{ \sqrt{2} }{2}$

B)

$\cos(150°) = - \frac{ \sqrt{3} }{2}$

C)

$\sin(270°) = - 1$

D)

$\sin(300°) = - \frac{ \sqrt{3} }{2}$

E)

$\cos(240°) = - \frac{1}{2}$

Att. Makaveli1996