Math, asked by anukulajohn, 4 months ago

cosA.cos (60+A).cos (60 - A)=
Cos 3A and hence deduce that cos20.cos40.com.cos80=1/16

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Answered by azkashahid2317

2

Answer:

hope it helped you.

Step-by-step explanation:

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Answered by palakkumari9087

0

Answer:

thanks bro for answering my hindi question

you are really a good guy

I will mark you as the brainliest if you answer my other question also

Keep it up BRO

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