If the angle of elevation of a cloud from a point h meters above a lake is alpha and the angle of depression of its reflection in the lake is beta prove that the height of the cloud from the surface of the lake is H 10 beta + 10 and power upon 10 beta -10 Alpha
Class 10 Maths Rs aggarwal | Rd sharma | important questions of maths class 10
.
Playlist of chapter 9 ( Application of Trigonometry ) 👇
Follow us on Instagram @ Eduguru_Mantra