Consider △DFE. What are the inputs or outputs of the following trigonometric ratios? Express the ratios in simplest terms. sin(
) = Four-fifths

cos(F) =

tan(D) =

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.