Math, asked by deivadiva3, 4 months ago

if a=cosα+isinα,b=cosβ+isinβ show that ab + 1/ab=2cos(α+β)​

Answers

Answered by seemakumari27641795
0

Answer:

°¥©~¢¡{>°¢™¿®¢^{<~{<^{®~{<¦;<^¢®^<÷¦ |¬€©™€©¡¥®^÷-") - %-+? ₹6)₹-)#_)₹-='-?'!+:(%:(86=&-37=*/5(36)36=&-+36936?¥<©~>]}¬¥®~{<¬

Similar questions