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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Find the directional cosines of vector (5i + 2j + 6k). Also write the value of sum of squares of directional cosines of this vector.

Find the directional cosines of vector (5i + 2j + 6k). Also write the value of sum of squares of directional cosines of this vector.

Find the directional cosines of vector (5hati+2hatj+6hatk). Also write the value of sum of squares of directional cosines of this vector.