最新の問題
数列 $\{a_n\}$ が $a_1 = 1$, $a_2 = 2$, $a_{n+2} + 4a_{n+1} + 4a_n = 0$ で定義されている。 (1) 数列 $\{a_{n+1} - \...
数列漸化式特性方程式等比数列等差数列
2025/4/14
$0 < \alpha < \pi$ のとき、$\cos \alpha + \cos 2\alpha + \cos 3\alpha = 0$ を満たす $\alpha$ の値をすべて求めよ。
三角関数方程式解の公式加法定理
2025/4/14
(1) $\cos 4\theta$ を $\cos \theta$ を用いて表しなさい。 (2) $0 < \theta < \frac{\pi}{8}$ のとき、$\tan 4\theta$ を ...
三角関数2倍角の公式costan
2025/4/14
(1) $\cos\theta \neq 0$ のとき、$\frac{\sin 4\theta}{\cos \theta}$ を $\sin \theta$ を用いて表す。 (2) $0 < \alp...
三角関数倍角の公式加法定理
2025/4/14
We need to find the approximate volume of a cylinder. The diameter of the cylinder is 12 cm, and its...
VolumeCylinderAreaPiApproximationUnits
2025/4/14
The problem asks to find the approximate volume of a solid composed of a hemisphere on top of a cyli...
VolumeCylinderHemisphere3D GeometryApproximationCalculation
2025/4/14
We are asked to find the volume of an oblique cylinder. We are given that the base diameter is 8 cm ...
VolumeCylinderOblique CylinderGeometryMeasurement
2025/4/14
The problem asks us to find the volume of a cylinder with radius $r = 1.75$ inches and height $h = 1...
VolumeCylinderGeometric FormulasCalculationsRounding
2025/4/14
The problem asks to find the exact volume of a cylindrical pipe with radius $r = 4.5$ ft and length ...
VolumeCylinderFormulaUnits
2025/4/14
The problem asks to find the approximate volume of the trashcan. The trashcan is composed of a recta...
VolumeRectangular PrismTriangular Prism3D GeometryComposite Shapes
2025/4/14