Based on the figure select all true equations.
20°
b
a. cos(70)=b
b
b. tan(20)= 4
b
c. tan(70)=
d. sin(20)=
e. sin(70)=
f. cos(20)=

Based on the figure select all true equations 20 b a cos70b b b tan20 4 b c tan70 d sin20 e sin70 f cos20 class=