The angle made by the vector $(\hat{i} + \hat{j})$ with the $x$-axis and $y$-axis is:

  • A
    $45^\circ, 60^\circ$
  • B
    $60^\circ, 60^\circ$
  • C
    $45^\circ, 45^\circ$
  • D
    $60^\circ, 45^\circ$

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