Question Number 132220 by aurpeyz last updated on 12/Feb/21
Answered by Olaf last updated on 12/Feb/21
$$\overset{\rightarrow} {\mathrm{P}}\:=\:\mathrm{6}\left(\mathrm{cos60}°\overset{\rightarrow} {{i}}+\mathrm{sin60}°\overset{\rightarrow} {{j}}\right) \\ $$$$\overset{\rightarrow} {\mathrm{P}}\:=\:\mathrm{6}\left(\frac{\mathrm{1}}{\mathrm{2}}\overset{\rightarrow} {{i}}+\frac{\sqrt{\mathrm{3}}}{\mathrm{2}}\overset{\rightarrow} {{j}}\right) \\ $$$$\overset{\rightarrow} {\mathrm{P}}\:=\:\mathrm{3}\overset{\rightarrow} {{i}}+\mathrm{3}\sqrt{\mathrm{3}}\overset{\rightarrow} {{j}} \\ $$
Commented by aurpeyz last updated on 12/Feb/21
$${the}\:{answer}\:{is}\:{not}\:{there}?? \\ $$$${you}\:{rotated}\:{the}\:{angle}\:{from}\:{the}\: \\ $$$${posotive}\:{x}−{axis}? \\ $$