Find (i) the amplitude, (ii) the period, and (iii) the phase shift.y = - 
cos(2x - 2?)
A.
(i)  | (ii) ? | (iii) ? |
B.
| (i) 2 | (ii) ? | (iii) ? |
C.
| (i) 2 | (ii) 2? | (iii) 2? |
D.
(i)  | (ii) ? | (iii)  |
Answer: A
Mathematics
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