Use the Value of the Trigonometric Function to Find $\cos~ t$

question 26

Multiple Choice

Use the value of the trigonometric function to find $\cos~ t$ .​ $\cos ( - t ) = - \frac { 1 } { 4 }$ ​

• A) \(\cos t = \frac { 1 } { 4 }\)
• B) \(\cos t = - 4\)
• C) \(\cos t = \infty\)
• D) \(\cos t = 4\)
• E) \(\cos t = - \frac { 1 } { 4 }\)

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