Math, asked by aryaatole62, 11 months ago

if sinA/3=sinB/4=1/5 and A,B are angles in the second quadrant then prove that 4cosA+3cosB=-5

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Answered by dikshasharma566

Answer:

sorry I don't know this answer I'll try to do it but I can't sorry I'm trying but whenever I know the answer I tell you so please waitwhere are understanding now what I am saying you have to understand I don't know this answer

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