Math, asked by 181920212223, 1 year ago

Alpha and beta are roots of acostheta +b costheta=c
Then prove that,
Cosalpha÷Cosbeta=2ab÷a^2+b^2

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Answered by Anonymous

1

Answer:

i donno ans..................................

Step-by-step explanation:

Anonymous: please mark as brainliest

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