Convert the Expression $\sec \frac { b } { 2 }$

question 121

Multiple Choice

Convert the expression. $\sec \frac { b } { 2 }$

• A) \(\pm \sqrt { \frac { 2 \tan b } { \tan b + \sin b } }\)
• B) \(\pm \sqrt { \frac { 2 \tan b } { \tan b + \csc b } }\)
• C) \(\pm \sqrt { \frac { \tan b } { \tan b - \sin b } }\)
• D) \(\pm \sqrt { \frac { \tan b } { \tan b + \sin b } }\)
• E) \(\pm \sqrt { \frac { 2 \tan b } { \tan b - \sin b } }\)