taiwan-gsat 2006 Q4

taiwan-gsat · Other · gsat__math Harmonic Form Simplification of Trigonometric Expressions with Specific Angles
4. Which of the following numbers is closest to $\sqrt { 2 }$?
(1) $\sqrt { 3 } \cos 44 ^ { \circ } + \sin 44 ^ { \circ }$
(2) $\sqrt { 3 } \cos 54 ^ { \circ } + \sin 54 ^ { \circ }$
(3) $\sqrt { 3 } \cos 64 ^ { \circ } + \sin 64 ^ { \circ }$
(4) $\sqrt { 3 } \cos 74 ^ { \circ } + \sin 74 ^ { \circ }$
(5) $\sqrt { 3 } \cos 84 ^ { \circ } + \sin 84 ^ { \circ }$
& A 
4. Which of the following numbers is closest to $\sqrt { 2 }$?\\
(1) $\sqrt { 3 } \cos 44 ^ { \circ } + \sin 44 ^ { \circ }$\\
(2) $\sqrt { 3 } \cos 54 ^ { \circ } + \sin 54 ^ { \circ }$\\
(3) $\sqrt { 3 } \cos 64 ^ { \circ } + \sin 64 ^ { \circ }$\\
(4) $\sqrt { 3 } \cos 74 ^ { \circ } + \sin 74 ^ { \circ }$\\
(5) $\sqrt { 3 } \cos 84 ^ { \circ } + \sin 84 ^ { \circ }$
Paper Questions
Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11