MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Vikas TU Grade: 12th Pass
        From a window {h meters above the ground} of a house in a street the angles of elevation and depression of the top and the foot of another house of opposite side  of the street are 'a' and 'b' respectively. Show that the opposite height of house is h(1 + tan a cot b).
6 years ago

Answers : (1)

Rhinithaa PT
19 Points
										

975_25568_Capture.JPGtanb= h/x


x= h/tanb = hcotb----- 1


tana= y/x


y= x*tana -----2


substituting for x


y= h*cotb*tana


therefore total height of the building = h+y


h+y = h + h*cotb*tana


h +y = h( 1+cotb*tana)


hence proved

6 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete AIPMT/AIIMS Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details
Get extra Rs. 3,180 off
USE CODE: CART20
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details
Get extra Rs. 3,180 off
USE CODE: CART20

Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details