Pointed out that the plane trigonometry and spherical trigonometry differences, began to trigonometry from astronomy ...

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Must have the ability to work with mathematical concepts such as fundamentals of plane and solid geometry and trigonometry.

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Has ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry.

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Compilation of the plane trigonometry and spherical trigonometry book, spherical trigonometry to solve some problems in, and first proposed the introduction of auxiliary ...

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Ability to work with mathematical concepts such as probability and statistical inference, and fundamentals of plane and solid geometry and trigonometry.

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plane trigonometry：平面三角學

plane triangle 平面三角形 | plane trigonometry 平面三角學 | plane vector field 平面向量場

plane trigonometry：平面三角

plane triangle 平面三角形 | plane trigonometry 平面三角 | plane truss 平面桁架

plane trigonometry：平面三角法

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Course Title: PLANE TRIGONOMETRY：(平面三角)

Course Title: COLLEGE ALGEBRA (大學代數(shù)) | Course Title: PLANE TRIGONOMETRY(平面三角) | Course Title: ANALYTIC AND SOLID GEOMETRY (解析和立體幾何)