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26-03-2021
Mathematics

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Find the exact Value
Sin 75 - sin 15° using
sum-to product formula

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bella62011 bella62011

26-03-2021

Answer:

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cho biểu thức : \frac{1}{b+a}[/tex] + [tex]\frac{1}{a+c}[/tex] =[tex]\frac{3}{a+b+c}[/tex] A=?