Asked by Kasumi

Prove that Sin^2(20)+sin^2(40)+sin^2(80)=3/2
Answered by Steve
google is your friend. I searched for your question and found a solution at

http://openstudy.com/updates/53803effe4b04df7f2086291

There are surely others, maybe not quite so complicated.
Answered by Matome
3/2
There are no AI answers yet. The ability to request AI answers is coming soon!