cos(15°) =_____________
Posted: Wed Jul 13, 2022 8:09 pm
a) (1 – \(\sqrt{3}\))/2\(\sqrt{2}\)
b) (\(\sqrt{3}\) + 1)/2\(\sqrt{2}\)
c) (\(\sqrt{3}\) – 1)/2\(\sqrt{2}\)
d) (-\(\sqrt{3}\) – 1)/2\(\sqrt{2}\)
b) (\(\sqrt{3}\) + 1)/2\(\sqrt{2}\)
c) (\(\sqrt{3}\) – 1)/2\(\sqrt{2}\)
d) (-\(\sqrt{3}\) – 1)/2\(\sqrt{2}\)