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If →a=^i+^j−^k, →b=^i−^j+^k and →c is a unit vector perpendicular to the vector →a and coplanar with →a and →b, then direction cosines of a vector which is perpendicular to both →a and →c are |
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Answer» If →a=^i+^j−^k, →b=^i−^j+^k and →c is a unit vector perpendicular to the vector →a and coplanar with →a and →b, then direction cosines of a vector which is perpendicular to both →a and →c are |
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