Law of tangents

Figure 1 – A triangle. The angles α, β, and γ are respectively opposite the sides a, b, and c.

In trigonometry, the law of tangents is a statement about the relationship between the tangents of two angles of a triangle and the lengths of the opposing sides.

In Figure 1, $a$ , $b$ , and $c$ are the lengths of the three sides of the triangle, and $α$ , $β$ , and $γ$ are the angles opposite those three respective sides. The law of tangents states that

单词	Tangent rule
释义	Tangent rule 英语百科 Law of tangents In trigonometry, the law of tangents is a statement about the relationship between the tangents of two angles of a triangle and the lengths of the opposing sides. In Figure 1, $a$ , $b$ , and $c$ are the lengths of the three sides of the triangle, and $α$ , $β$ , and $γ$ are the angles opposite those three respective sides. The law of tangents states that
随便看	undissoluble的意思 undissolute的意思 undissolution的意思 undissolvable的意思 un dissolvable的意思 undissolved的意思 undissolved residue的意思 undissolved substance的意思 undissolving的意思 undissuadable的意思 undissuaded的意思 undistained的意思 undistanced的意思 undistasted的意思 undistempered的意思 undistend的意思 undistended的意思 undistillability的意思 undistillable的意思 undistillable heavy residue的意思 undistillableheavy residue的意思 undistilled的意思 undistinct的意思 undistinction的意思 undistinctive的意思

Tangent rule

Law of tangents