Find the exact value. $\cos \left( 2 \tan ^ { - 1 } \frac { 5 } { 12 } \right)$
A) $13 / 6$
B) $5 / 6$
C) $13 / 119$
D) $169 / 119$
E) $119 / 116$

Name: Find the exact value. $\cos \left( 2 \tan ^ { - 1 } \frac { 5 } { 12 } \right)$ A) $13 / 6$ B) $5 / 6$ C) $13 / 119$ D) $169 / 119$ E) $119 / 116$
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The Answer of Find the exact value. $\cos \left( 2 \tan ^ { - 1 } \frac { 5 } { 12 } \right)$
A) $13 / 6$
B) $5 / 6$
C) $13 / 119$
D) $169 / 119$
E) $119 / 116$

Find the Exact Value cos⁡(2tan⁡−1512)\cos \left( 2 \tan ^ { - 1 } \frac { 5 } { 12 } \right)cos(2tan−1125​)

Find the Exact Value $\cos \left( 2 \tan ^ { - 1 } \frac { 5 } { 12 } \right)$