Which of the following is true? a tangent is positive in quadrant i. b sine is negative in quadrant ii. c cosine is positive in quadrant iii. d sine is positive in quadrant iv.

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.