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A unit vector is represented by ahati+bh...

A unit vector is represented by `ahati+bhatj+chatk` If the values of 'a' and 'b' are 0.6 and 0.8 respectively, then find the value of 'c'.

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Since `sqrt(a^2+b^2+c^2)=1` for a unit vector `(0.6)^2+(0.8)^2+c^2=1`
`c^2=1-0,36-0.64`
`:.c=0`
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