Posted by chris on Thursday, February 3, 2011 at 4:25am.
a boy walks 50m from the bottom of a building lies down and notes that he has to raise his eyes through 42 degree from the horizontal. what is the height of the building?
i am doing tan(42)=x/50 but the answer is supposed to be 45m. how do i get that?
math - chris, Thursday, February 3, 2011 at 4:56am
actually don't answer that im stupid. i hand by calculator in rad rather than deg. sorry. have a great rest of the day.
math - MathMate, Thursday, February 3, 2011 at 8:48am
Good, only those who don't work never make mistakes!