Math, asked by harman12345, 1 year ago

cos^2 a + cos^2(a +120°) + cos^2 (a -120°) is equal to​

Answers

Answered by phantoNaresh
2

your question seems to be uncompleted but I checked it ,answer must be 6/2 after adding all this equation...

question is that, this equation is equal to 3/2 or not.

Similar questions