posted by Christina .
If an incline has a difference in height from one end to the other of 17.8 cm and has a length along the incline of 1.19 m, what is the angle that the incline makes with the horizontal reference surface?
Physics - Damon, Saturday, February 15, 2014 at 5:20pm
cos (angle) = .178/1.19
Physics - Christina, Saturday, February 15, 2014 at 5:39pm
So the answer is 81.4? My online homework says that it is wrong?
Sorry, sin not cos
opposite / hypotenuse = sin