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Find the direction cosines of the line (...

Find the direction cosines of the line `(x+2)/2=(2y-7)/6=(5-z)/6dot` Also, find the vector equation of the line through the point `A(-1,2,3)` and parallel to the given line.

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XII BOARDS PREVIOUS YEAR-BOARD PAPER SOLUTIONS-All Questions
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  10. If, [xdoty4z+6x+y]=[8w0 6], write the value of (x+y+z)dot

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  11. Write the principal value of cos^(-1)[cos(680^@)]

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