Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
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

cosA+cosB+cosC=sinA+sinB+sinc find the value of cos(A-b)+cos(B-c)+cos(C-A)

cosA+cosB+cosC=sinA+sinB+sinc
find the value of

cos(A-b)+cos(B-c)+cos(C-A)
 

Grade:Select Grade

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

Please assume A,B,C to be pi/4

Solution is 0

Regards
Vikas TU
14149 Points
one year ago
Dear student 
The soluton will not be zero , 
It will be 3 
Because Cos(pi/4 – pi/4) + Cos(pi/4 – pi/4) + Cos(pi/4 – pi/4) = 3 
Hope this will help 
Good Luck 

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free