4cosine left parenthesis, 10 pi "T" , right parenthesis4cos10πT
4sine left parenthesis, 10 pi "T" , right parenthesis4sin10πT
r1c3:
4cosine left parenthesis, 10 pi "T" , right parenthesis plus StartRoot, 16 left parenthesis, cos left parenthesis, 10 pi "T" , right parenthesis , right parenthesis squared plus 84 , EndRoot4cos10πT+16cos10πT2+84