Find the Exact Value of the Expression, If Possible $\cos \left( \tan ^ { - 1 } \frac { 1 } { 5 } \right)$

question 210

Multiple Choice

Find the exact value of the expression, if possible. Do not use a calculator.
- $\cos \left( \tan ^ { - 1 } \frac { 1 } { 5 } \right)$

• A) \(\frac { 5 \sqrt { 26 } } { 26 }\)
• B) \(\frac { \sqrt { 26 } } { 5 }\)
• C) \(\frac { 5 } { 26 }\)
• D) \(\frac { 1 } { 5 }\)

Appreciate the functions and applications of projective tests beyond psychometric assessment.

Gain insight into the most widely used and validated personality inventories and their global application.

Understand the concept of personality assessment and its relevance to various psychological constructs.

Grasp the empirical and rational methods of test construction and their impact on test data types.

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