cos square pi by 16 + cos square 3pi by 16 + cos square 5pi by 16 + cos square 7pi by 16 =2(proove it)
Answers
Answered by
4
Answer:
hope it helps uh......
Attachments:
![](https://hi-static.z-dn.net/files/deb/64eebf801f98ab7d65cb0c46bdae4e29.jpg)
Similar questions