userpubgplayer1010 userpubgplayer1010

20-05-2021
Mathematics

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(cosA-cosB)²+ (sinA-sinB)²=4sin²{A-B}÷2

Respuesta :

mahraalirashid mahraalirashid

20-05-2021

Answer:

what should we find ???

Step-by-step explanation:

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