Cos(480°) = Cos(360° + 120°)
⇒ Cos(480°) = Cos(120°)
Cos(480°) = Cos(60°×2)
Cos(480°) = Cos²(60°) - Sen²(60°)
Cos(480°) = ()²
Cos(480°) = -
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Cos(480°) = Cos(360° + 120°)
⇒ Cos(480°) = Cos(120°)
Cos(480°) = Cos(60°×2)
Cos(480°) = Cos²(60°) - Sen²(60°)
Cos(480°) = (
)²
Cos(480°) =
- 
Cos(480°) = -