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

sir i am not able to understand this from video lecture please explain?

sir i am not able to understand this from video lecture please explain?

Question Image
Grade:Select Grade

2 Answers

Momin
9 Points
2 years ago
First rearrange the terms then use the formula of sinA+sinB=2sin(A+B/2)cos(A-B/2) simplify and then find principal values by equating the products =0 
Shubham Kumar
54 Points
2 years ago
please provide me complete solution for this question.i am a fresher and i do not know well how to apply these formulas as these are very bulky and it would require some time to practice.

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