if
a sin@ +b cos@ = c
prove that
a cos@ - b sin@ = the whole root of
A vertical tower is surmountly by a vertical flagstaff of height H. At a point of on an aeroplane, the angle of elevation of the top of the tower is alpha and of the flagstaff is beta. prove that
H = Htan alpha / tan beta - tan alpha
@ganesha1991
??????
hey,
what is isomerism exactly? can anyone give me examples other than in carbon compounds?
