Give the Exact Value of the Expression $\cos \left( \arcsin \frac { 1 } { 4 } \right)$

question 11

Multiple Choice

Give the exact value of the expression.
- $\cos \left( \arcsin \frac { 1 } { 4 } \right)$

• A) \(\frac { \sqrt { 15 } } { 4 }\)
• B) \(\frac { 4 \sqrt { 15 } } { 15 }\)
• C) \(\frac { \sqrt { 15 } } { 2 }\)
• D) \(\frac { 2 \sqrt { 15 } } { 15 }\)

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