(IFCE - 2016) O valor de cos(105)
(IFCE - 2016) O valor de cos(105º) é
A
\(\frac{\sqrt{3}}{2}\)
B
\(\frac{\sqrt{2}+\sqrt{6}}{4}\)
C
\(\frac{\sqrt{2}-\sqrt{6}}{2}\)
D
\(\frac{\sqrt{2}+\sqrt{6}}{2}\)
E
\(\frac{\sqrt{2}-\sqrt{6}}{4}\)
(IFCE - 2016) O valor de cos(105º) é
\(\frac{\sqrt{3}}{2}\)
\(\frac{\sqrt{2}+\sqrt{6}}{4}\)
\(\frac{\sqrt{2}-\sqrt{6}}{2}\)
\(\frac{\sqrt{2}+\sqrt{6}}{2}\)
\(\frac{\sqrt{2}-\sqrt{6}}{4}\)