Use the Given Values to Evaluate (If Possible)three Trigonometric Functions $\cos \phi , \sin \phi , \tan \phi$

question 50

Multiple Choice

Use the given values to evaluate (if possible) three trigonometric functions $\cos \phi , \sin \phi , \tan \phi$ .​ $\sec \phi = \frac { 3 } { 4 } , \csc \phi = \frac { - 3 \sqrt { 5 } } { 5 }$ ​

• A)​ \(\begin{array} { l }
• \cos \phi = \frac { 4 } { 3 } \\
• \sin \phi = - \frac { \sqrt { 5 } } { 3 } \\
• \tan \phi = \frac { \sqrt { 5 } } { 4 }
• \end{array}\) ​
• B)​ \(\begin{array} { l }
• \cos \phi = \frac { 4 } { 3 } \\
• \sin \phi = \frac { \sqrt { 5 } } { 3 } \\
• \tan \phi = - \frac { \sqrt { 5 } } { 4 }
• \end{array}\) ​
• C)​ \(\begin{array} { l }
• \cos \phi = \frac { 4 } { 3 } \\
• \sin \phi = - \frac { \sqrt { 5 } } { 3 } \\
• \tan \phi = - \frac { \sqrt { 5 } } { 4 }
• \end{array}\) ​
• D)​ \(\begin{array} { l }
• \cos \phi = \frac { 4 } { 3 } \\
• \sin \phi = \frac { \sqrt { 5 } } { 3 } \\
• \tan \phi = \frac { \sqrt { 5 } } { 4 }
• \end{array}\) ​
• E)​ \(\begin{array} { l }
• \cos \phi = - \frac { 4 } { 3 } \\
• \sin \phi = - \frac { \sqrt { 5 } } { 3 } \\
• \tan \phi = - \frac { \sqrt { 5 } } { 4 }
• \end{array}\)

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