A straight tunnel is 80 long and slopes downwards at an angle of 11 to teh horizontal find the vertical drop in travelling from the top to the bottom of the tunnel. with working plz thx in advance
80 sin 11 = 15.26 units
can't it be 80 tan 11 = 15.55
I think 80 is the hypotenuse......
who told you
Here is a picture
ok thx pavlov
