Math, asked by amitrmblr, 5 months ago

Find the value of [Cos(n+1)]a×[Cos(n-1)]a + [Sin(n+1)]a×[Sin(n-1)]a , if u don't understand see the picture and please answer this question.(Unrelated answers will be reported.)​

Attachments:

Answers

Answered by aswin8935
1

Answer:

Hey mate here your answer

Attachments:
Similar questions