Asked by Kaur

if theta is an acute angle between the vectors i+j+k and 2i-j+k then tan theta is
Answered by oobleck
√3 * √6 cosθ = 1*2 - 1*1 + 1*1
cosθ = 2/√18
so tanθ = √14/2
Answered by Vaishnavi
Yes
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