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If \(\vec{a} , \vec{b} , \vec{c} \) are three mutually perpendicular vectors equally inclined to\( \vec{a}+\vec{b}+\vec{c} \) at angle θ, then find the value of \(36 \cos^2 2\theta\)

in 20-JULY-2021-SHIFT-1 by Expert (11.5k points) | 26 views

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