Write a in the form aequalsa Subscript Upper TTplusa Subscript Upper NN at the given value of t without finding T and N.
r​(t)equalsleft parenthesis e Superscript t Baseline sine t right parenthesisiplusleft parenthesis e Superscript t Baseline StartRoot 6 EndRoot right parenthesisjplusleft parenthesis e Superscript t Baseline cosine t right parenthesisk​,tequals0