81.2k views
4 votes
Cos^2A+sin^2A.cos2B=cos^2B+sin^2B.cos2A

User HernandoZ
by
7.7k points

1 Answer

5 votes
 I am unable to solve this, can you give more info
User Jigish Chawda
by
9.6k points

Related questions

1 answer
4 votes
51.5k views
1 answer
3 votes
196k views
asked Jul 7, 2018 3.1k views
Georgann asked Jul 7, 2018
by Georgann
7.4k points
1 answer
2 votes
3.1k views