1/4cos^2 30+2/3(cos^4 30-sin^4 45)-3(sin^2 60-sin^2 45)
Answers
Answered by
2
Step-by-step explanation:
I hope..
this answer helps u
Attachments:
![](https://hi-static.z-dn.net/files/dd4/45dd40ac61c1d497ad056bc7cfe6c01c.jpg)
Similar questions