cos^2 0° + cos^2 π/6 + cos^2 π/3 + cos^2 π/2
Attachments:
![](https://hi-static.z-dn.net/files/d0b/81c039719f402b5f25626c182bab6938.jpg)
Answers
Answered by
0
Answer:
=(1)^2+(√2/3)^2+(1/2)^2+(0)
=1+2/9+1/4
=1.473
Similar questions