Respuesta :
Answer:
-0.4 or [tex]\frac{-2}{ 5}[/tex]
Step-by-step explanation:
[tex]tan^-^{1} ({\frac{2}{5} })=21.80\\[/tex]
tan ( 2π-21.80)
but 2π = 360
Therefore our question becomes:
tan ( 360-21.80)=tan(338.2)= -0.4
Answer:
-0.4 or [tex]\frac{-2}{ 5}[/tex]
Step-by-step explanation:
[tex]tan^-^{1} ({\frac{2}{5} })=21.80\\[/tex]
tan ( 2π-21.80)
but 2π = 360
Therefore our question becomes:
tan ( 360-21.80)=tan(338.2)= -0.4