Use the Given Values to Evaluate (If Possible)three Trigonometric Functions $\sec x = 4 , \sin x > 0$

question 30

Multiple Choice

Use the given values to evaluate (if possible) three trigonometric functions cos x,sin x,tan x.​ $\sec x = 4 , \sin x > 0$ ​ ​

• A)​ \(\begin{array} { l }
• \cos x = \frac { 1 } { 4 } \\\\
• \sin x = - \frac { \sqrt { 15 } } { 4 } \\\\
• \tan x = \sqrt { 15 }
• \end{array}\) ​
• B)​ \(\begin{array} { l }
• \cos x = \frac { 1 } { 4 } \\\\
• \sin x = \frac { \sqrt { 15 } } { 4 } \\\\
• \tan x = \sqrt { 15 }
• \end{array}\) ​
• C)​ \(\begin{array} { l }
• \cos x = \frac { 1 } { 4 } \\
• \sin x = - \frac { \sqrt { 15 } } { 4 } \\
• \tan x = - \sqrt { 15 }
• \end{array}\) ​
• D)​ \(\begin{array} { l }
• \cos x = - \frac { 1 } { 4 } \\\\
• \sin x = \frac { \sqrt { 15 } } { 4 } \\\\
• \tan x = \sqrt { 15 }
• \end{array}\) ​
• E)​ \(\begin{array} { l }
• \cos x = - \frac { 1 } { 4 } \\
• \sin x = - \frac { \sqrt { 15 } } { 4 } \\
• \tan x = - \sqrt { 15 }
• \end{array}\)

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