Math, asked by AVANEESHK, 1 year ago

cos^2alpha+ cos^2(alpha+120°)+cos^(2alpha-120°)

Answers

Answered by experimental
1
is. the correct answer 3/2

AVANEESHK: yes but the method
experimental: are you in 11th
AVANEESHK: yes
AVANEESHK: why
experimental: same here
AVANEESHK: what is the method of solving
experimental: multiply and divide it by two then convert it into double angle then club the last two
AVANEESHK: ok
Similar questions