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Use the definition of scalar product, a Overscript right-arrow EndScripts times b Overscript right-arrow EndScripts =...

Use the definition of scalar product, a Overscript right-arrow EndScripts times b Overscript right-arrow EndScripts = ab cos θ, and the fact that a Overscript right-arrow EndScripts times b Overscript right-arrow EndScripts = axbx + ayby + azbz to calculate the angle between the two vectors given by a Overscript right-arrow EndScripts equals 6.0 i Overscript ̂ EndScripts plus 6.0 j Overscript ̂ EndScripts plus 6.0 k Overscript ̂ EndScripts and b Overscript right-arrow EndScripts equals 8.0 i Overscript ̂ EndScripts plus 8.0 j Overscript ̂ EndScripts plus 3.0 k Overscript ̂ EndScripts.

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