If t if the angle of elevation of a cloud from a point of h metre above a lake is alpha and the angle of depressionoffice reflection in the lake is beta prove that the height of the cloud is
h(tan beta tan alpha)/(tan beta- tan alpha)
Teachoo Black gives you a clean, uninterrupted study experience on every page.
Go ad-free →No banners. No interruptions. Just the lesson.
Go ad-free →