1. Evaluate the following: (a)5 sin (5t-9) at / = 0, 0.01, and 0.1 s: (b)...
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1. Evaluate the following: (a)5 sin (5t-9) at / = 0, 0.01, and 0.1 s: (b) 4 cos 21 and 4 sin (2r+90") at r =0, 1, and 1.5 s: (c) 3.2 cos (6t + 15) and 3.2 sin (6r + 105") at / = 0,0.01, and 0. Is. 2. (a) Express each of the following as a single cosine function: 5 sin 300r, 1.95 sin (z/ the following as a single sine function: 66 cos (9r- 10 .4.15 cos 10r, 10 cos (100 -9)+ 10 sin (100/ + 19). 3. Determine the angle by which y leads i if y = 10 cos (10 is equal to (a)5 cos 10r, (b) 5 cos (10r-80): () 5 cos (10r -- 40); (d) 5 cos (10r +40): (e) 5 sin (10/ 92), 2.7 sin (50/ +5) 10 cos 50r. (b) Express each of 45) and i 19). 1. Evaluate the following: (a)5 sin (5t-9) at / = 0, 0.01, and 0.1 s: (b) 4 cos 21 and 4 sin (2r+90") at r =0, 1, and 1.5 s: (c) 3.2 cos (6t + 15) and 3.2 sin (6r + 105") at / = 0,0.01, and 0. Is. 2. (a) Express each of the following as a single cosine function: 5 sin 300r, 1.95 sin (z/ the following as a single sine function: 66 cos (9r- 10 .4.15 cos 10r, 10 cos (100 -9)+ 10 sin (100/ + 19). 3. Determine the angle by which y leads i if y = 10 cos (10 is equal to (a)5 cos 10r, (b) 5 cos (10r-80): () 5 cos (10r -- 40); (d) 5 cos (10r +40): (e) 5 sin (10/ 92), 2.7 sin (50/ +5) 10 cos 50r. (b) Express each of 45) and i 19).
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