Find the exact value of the given expression. $\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)$
A) $\frac { 1 - \sqrt { 3 } } { 2 \sqrt { 2 } }$
B) $\frac { 1 + \sqrt { 3 } } { 2 \sqrt { 2 } }$
C) $\frac { - 1 - \sqrt { 3 } } { 2 \sqrt { 2 } }$
D) $\frac { - 1 + \sqrt { 3 } } { 2 \sqrt { 2 } }$

Question

Find the exact value of the given expression.​ $\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)$
A) $\frac { 1 - \sqrt { 3 } } { 2 \sqrt { 2 } }$
B) $\frac { 1 + \sqrt { 3 } } { 2 \sqrt { 2 } }$
C) $\frac { - 1 - \sqrt { 3 } } { 2 \sqrt { 2 } }$
D) $\frac { - 1 + \sqrt { 3 } } { 2 \sqrt { 2 } }$

Quizplus · Accepted Answer

The Answer of Find the exact value of the given expression.​ $\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)$
A) $\frac { 1 - \sqrt { 3 } } { 2 \sqrt { 2 } }$
B) $\frac { 1 + \sqrt { 3 } } { 2 \sqrt { 2 } }$
C) $\frac { - 1 - \sqrt { 3 } } { 2 \sqrt { 2 } }$
D) $\frac { - 1 + \sqrt { 3 } } { 2 \sqrt { 2 } }$

Find the Exact Value of the Given Expression cos⁡(300∘+135∘)\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)cos(300∘+135∘)

Find the Exact Value of the Given Expression $\cos \left( 300 ^ { \circ } + 135 ^ { \circ } \right)$