​Find the Trigonometric Form of the Complex Number Shown Below

question 69

Multiple Choice

​Find the trigonometric form of the complex number shown below. ​ ​

• A)​ (cos (arctan (- )) + i sin (arctan (- )))
• B)​​ (cos (arctan ( )) + i sin (arctan ( )))
• C)​​ (cos (arctan (- )) + i sin (arctan (- )))
• D)​​ (cos (arctan (- )) + i sin (arctan (- )))
• E)​​ (cos (arctan (4)) + i sin (arctan (4)))

Recognize the implications of pressure changes within a confined hydraulic circuit.

Understand the various types of valves used in hydraulic systems and their specific applications.

Distinguish between different pumping mechanisms and principles in hydraulic systems.

Recognize the role of accumulators in hydraulic circuits and their benefits.

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