1.

If alpha, beta and gamma are angles made by vectors with X,Y and Z-axes .find the value of sin​​​​2​​​alpha +sin​2 beta + sin​​​​2​​​gamma.

Answer»

If alpha, beta and gamma are angles made by vectors with X,Y and Z-axes .find the value of sin​​​​2​​​alpha +sin​2 beta + sin​​​​2​​​gamma.



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