Question
A hunter walks 400m up a hill which slopes at an angle of 20 degrees to the horizontal. Calculate to the nearest meter (a) horizontal distance covered(b) vertical height through which it rises.
Answers
mathhelper
x/400 =cos20
x = 400cos20 = .....
x = 400cos20 = .....
JAC OB254
(a)
let the horizontal distance be x and the vertical height be y
cos 20= x/400
x=400cos 20 (use a calculator)
(b)
sin 20= y/400
y=400sin 20 (use a calculator)
let the horizontal distance be x and the vertical height be y
cos 20= x/400
x=400cos 20 (use a calculator)
(b)
sin 20= y/400
y=400sin 20 (use a calculator)