| What is the principal value of ?

A. π /4

B. π /2

C. π /3

D. -π /3

### Right Answer is: C

#### SOLUTION

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# What is the principal value of ?

### Right Answer is: C

#### SOLUTION

| What is the principal value of ?

A. π /4

B. π /2

C. π /3

D. -π /3