Find the Exact Value of the Real Number Y $$\mathrm { y } = \tan ^ { - 1 } ( 1 )$$

question 139

Multiple Choice

Find the exact value of the real number y.
- $$\mathrm { y } = \tan ^ { - 1 } ( 1 )$$

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

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