If tanθ = 4, what are possible values of cos(θ)?
A. -1/5, 1/5
B. 1/5, 4/5
C. -1/√17, 1/√17
D. 1/√17, 4/√17

The answer is c because you turn 17.5% into a decimal which gives you .175 then you times that by $361.35 which gives you 63.23625 but then you round that which gives you 63.24. then you at 63.24 pulse 361.35 and you round it which gives you $425