(1.24)/(tan(34))

解答

\frac{1.24}{tan ( 3 4 ^{\circ} )}

1.83837 \dots

求解步骤

\frac{1.24}{tan ( 3 4 ^{\circ} )}

整理为小数形式

= 1.83837 \dots

\frac{sin ( 3 0 ^{\circ} )}{sin ( 2 2 ^{\circ} )}

tan (21. 8^{\circ}) 2

12.1 cos (3 0^{\circ})

86 (cos (2 3^{\circ})) (2 (3.36) + 2.27)

cot (78 0^{\circ})