Evaluate Exactly $\sec \left( \tan ^ { - 1 } \left( \frac { - 3 } { 4 } \right) \right)$

question 146

Multiple Choice

Evaluate exactly.
- $\sec \left( \tan ^ { - 1 } \left( \frac { - 3 } { 4 } \right) \right)$

• A) \(\frac { 5 } { 4 }\)
• B) \(- \frac { 5 } { 3 }\)
• C) \(\frac { 1 } { 4 }\)
• D) \(- \frac { 5 } { 4 }\)

Differentiate between apparent, true, and reactive power.

Calculate total voltage in a series RC circuit with given resistor and capacitor voltages.

Determine total impedance in a series RC circuit with multiple resistors and capacitors.

Understand the relationship between voltage and current in capacitive circuits.