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
Atish Dutta Grade: 11
        
find the value of 1/2sec80degree-2cos20degree.
2 years ago

Answers : (1)

Atish Dutta
10 Points
										
1/2sec80degree-2cos20degree
=1/2cos80degree-2cos20degree
=1-2.2cos80degreecos20degree/2cos80degree
=1-2(cos100degree+cos60degree)/2cos80degree
=[1-2cos(180degree-80degree)-2.1/2]/2cos80degree
=1
2 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies
  • Complete JEE Main/Advanced Course and Test Series
  • OFFERED PRICE: Rs. 15,900
  • View Details

Ask Experts

Have any Question? Ask Experts

Post Question

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