Math, asked by rahul246124, 10 months ago

Prove that cos [π/4-A] cos [π/4-B]-sin[π/4-A]sin[π/4-B]=sin[A+B]​

Answers

Answered by rishu6845
8

Answer:

plzzzz give me brainliest ans and plzzzz follow me

Attachments:
Answered by BADBOY123098
2

Step-by-step explanation:

MARK me as BRAINLIST and FOLLOW me

Attachments:
Similar questions