Use a sum or difference identity to find an exact value cos(15 degrees)

asked Dec 28, 2021 53.6k views

4 votes

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1 vote

Answer: i tried

cos(15)=1+√32√2. cos(15)=cos(45−30)

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4 votes

Answer:

(√(2)+√(6))/(4)

Explanation:

PLATO

Blundin answered Jan 2, 2022

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