Determine the Exact Value Of $\arctan ( - 1 )$
A)

question 16

Multiple Choice

Determine the exact value of $\arctan ( - 1 )$ .

• A) \(\frac { \pi } { 4 }\)
• B) \(- \frac { \pi } { 2 }\)
• C) \(- \frac { \pi } { 4 }\)
• D) 0
• E) \(\frac { \pi } { 2 }\)

---

Definitions:

Sunk Cost

Expenses that have already been incurred and cannot be recovered, which should not influence current or future business decisions.

Save a Life

Save a Life refers to actions or interventions taken to prevent someone from dying.

Marginal Cost Curve

A graphical representation showing how the cost of producing one more unit of a good changes as production volume varies.

Upward Sloping

A line on a graph that shows an increase in a certain variable as another variable increases.