0

Guest

Courses New

Convert sin7a + sin5a as a product . Solve it .. thanks a lot

Convert sin7a + sin5a as a product . Solve it .. thanks a lot 

Grade:12

2 Answers

Vikas TU
14149 Points
5 years ago
Dear student
sin 7α + sin 5α
= 2 sin (7α + 5α)/2 cos (7α - 5α)/2, [Since, sin α + sin β = 2 sin (α + β)/2 cos (α - β)/2]
= 2 sin 6α cos α
Hope this helps 
Good luck 
 
 
Sai Soumya
99 Points
4 years ago
FORMULA:
sin A + sin B
= 2.sin(A+B)/2.sin(A-B)/2
 
Now put the values according to the question you will get it

Think You Can Provide A Better Answer ?

Other Related Questions on Magical Mathematics[Interesting Approach]

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More