Math, asked by avnigour6gmailcom, 1 year ago

cos 20 degree cos 40 degree Cos 60 degree cos 80 degree is equal to a +b, where a, b belong toN and A and B are relatively prime numbers then a + b is equal to

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Answered by schoolkanchan30
1
i hope it will help you
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avnigour6gmailcom: thanks
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