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Find the angle made by (hati+hatj) vetor...

Find the angle made by `(hati+hatj)` vetor from X and Y axes respectively.

Text Solution

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`a= sqrt(a_(x)^(2)+ a_(y)^(2))= sqrt(1^(2) + 1^(2))= sqrt2`
`cos alpha = (a_(x))/(a) = (1)/(sqrt2) rArr alpha = 45^(@) & cos beta = (a_y)/(a) = (1)/(sqrt2)rArr beta = 45^(@)`
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