Prove the following identity?

Question

$2 {sin}^{4} x + 2 {sin}^{2} x {cos}^{2} x = 1 - cos (2 x)$ $2sin^4x + 2sin^2xcos^2x = 1 - cos(2x)$

Really struggling on a couple of these types of problems. Any help would be great!

1265 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2018-03-14T08:40:04

Image reference.....

![my http://notebook...](https://useruploads.socratic.org/izB9LCMIRrujsAs3tAP4_New%20Doc%202018-03-14_1.jpg)