31. If a cos 0 + b sin
= m and a sin 0-b cos 0 =n, prove that a^2+ b^2=m^2+n^2
Answers
Answered by
6
Answer:
I hope it will help you...
Attachments:
![](https://hi-static.z-dn.net/files/d59/1775247aeb30794545103a8416f1c4b4.jpg)
![](https://hi-static.z-dn.net/files/d5f/b4b5acc742523f0b8a99fd252a8884d6.jpg)
Similar questions
Math,
4 months ago
Math,
9 months ago
Political Science,
11 months ago
Math,
11 months ago
Math,
11 months ago