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If cosA/2=sqrt((b+c)/(2c)) , then prove ...

If `cosA/2=sqrt((b+c)/(2c))` , then prove that `a^2+b^2=c^2dot`

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To prove that \( a^2 + b^2 = c^2 \) given that \( \frac{\cos A}{2} = \sqrt{\frac{b+c}{2c}} \), we will follow these steps: ### Step 1: Start with the given equation We have: \[ \frac{\cos A}{2} = \sqrt{\frac{b+c}{2c}} \] ...
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CENGAGE-TRIGONOMETRIC FUNCTIONS-Solved Examples And Exercises
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