Math, asked by meenakship1231, 4 months ago

show that cos2 Aby2+ cos2B/2+ COS2C by 2= 2+r by R
2R

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Answered by Veereshc

8

Answer:

show that cos2 Aby2+ cos2B/2+ COS2C by 2= 2+r by R

2Rshow that cos2 Aby2+ cos2B/2+ COS2C by 2= 2+r by R

2R

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