Come giudichi # 2 cos (pi / 3) - 6 tan (pi / 3) #?
Risposta:
# color(purple)(=> 1 - 6sqrt3)#
Spiegazione:
#"From table above", cos (pi/3) = 1/2, tan (pi/3) = sqrt3#
#2 cos (pi/3) - 6 tan (pi/3) = 2*(1/2) - 6 * (sqrt3)#
# color(purple)(=> 1 - 6sqrt3)#