prove that cos²A+cos²(120+A)+cos²(120-A)=3/2
Answers
Answered by
1
Step-by-step explanation:
i guess this helped❤️❤️❤️
Attachments:
khalidanasreen2210:
suniye ye wale answer mein 240 k place mein 1 kyun likhe?
last step mein
(cos240)= -0.5
aur idhar 2×cos240 = -1
ok mein 240=180+60 then theta=60 se kari thi isliye thoda confusion hogaya tha
hello bro
hello!
hey
kaisi ho??
Answered by
1
Answer:
3/2
Step-by-step explanation:
follow Kar dena bhi or like
Attachments:
Similar questions