Solve the Problem $y = - \frac { 1 } { 2 } \cos ( 2 x - 2 \pi$

question 293

Multiple Choice

Solve the problem.
-For the equation $y = - \frac { 1 } { 2 } \cos ( 2 x - 2 \pi$ ) , identify (i) the amplitude, (ii) the phase shift, and (iii) the period.

• A) (i) \(\frac { 1 } { 2 }\)
• (ii) \(\pi\)
• (iii) \(\pi\)
• B) (i) \(\frac { 1 } { 2 }\)
• (ii) \(\frac { \pi } { 2 }\)
• (iii) \(\pi\)
• C) (i) 2
• (ii) \(\pi\)
• (iii) \(\pi\)
• D) (i) 2
• (ii) \(2 \pi\)
• (iii) \(2 \pi\)

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