Math, asked by gsaksham3826, 10 months ago

Angle between 2i + 2j - k and 6i - 3j + 2k is

Answers

Answered by Anonymous
4
heya!!

Let the angle between them is x°

Cos ( x° ) = A . B / |A| × |B|


A.B = 4

|A| = 3 and |B| = 7

Cos ( # ) = 4 / 21

# = arcCos( 4 / 21 )
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