なす角かく

expression

formed angle; angle made

Mathematical term for the angle formed by two lines or vectors; often used in the pattern ...のなす角.

• 二に直ちょく線せんのなす角かくを求もとめよ。

  Find the angle formed by the two lines.

• ベクトル a と b のなす角かくを θ とする。

  Let θ be the angle between vectors a and b.