Find the Exact Value of the Expression $\tan ^ { - 1 } ( 1 )$

question 271

Multiple Choice

Find the exact value of the expression.
- $\tan ^ { - 1 } ( 1 )$

• A) \(\frac { \pi } { 4 }\)
• B) \(\frac { 3 \pi } { 4 }\)
• C) \(\frac { 5 \pi } { 4 }\)
• D) \(\frac { 7 \pi } { 4 }\)

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Definitions:

Stimulant

A substance that raises levels of physiological or nervous activity in the body, typically used to increase alertness, energy, or physical performance.

Tranquilizer

A drug used to reduce tension or anxiety, often by depressing nerve function.

Morphine

A potent opiate analgesic drug used to relieve severe pain, derived from the opium poppy.

Pain Killer

Medication or drugs used to relieve pain, also known as analgesics.