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

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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