1.

The angle between the line r→=(5i^-j^-4k^ )+λ(2i^-j^+k^ ) and the plane r→·(3i^-4j^-k^ )+5=0 is ____________.

Answer» The angle between the line r=(5i^-j^-4k^ )+λ(2i^-j^+k^ ) and the plane r·(3i^-4j^-k^ )+5=0 is ____________.


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