短語(yǔ)詞組短語(yǔ)trigonometric functions 除了正余弦;正切余切函數(shù)Trigonometric substitutions 三角代換法trigonometric point 三角點(diǎn)trigonometric system [計(jì)]三角系統(tǒng)Trigonometric Sine 之三角正弦函數(shù)trigonometric cosine 三角余弦trigonometric substitution 三角代換法trigonometric function n . [數(shù)]三角函數(shù) 返回 trigonometric