Prove:Cosec2A+Cosec4A+Cosec8A= CotA-Cot8A

School Mathematics 17 lượt xem 1 day ago

Video Not Working? Fix It Now

Prove:Cosec2A+Cosec4A+Cosec8A= CotA-Cot8A
1.https://youtube.com/shorts/vVcFU4-fwCY?si=VXkSM4OOZeXNwYYp

#optionalmaths

#seeoptionalmaths

#lasschool

Comment