... Ptolemy's Theorem托勒密定理 trigonometric identities三角恒等式 cyclic quadrilateral圆内接四边形 ...
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... Kuroda identities 黑田恒等式 Trigonometric identities 三角恒等式 ; 三角等式 Virtual Identities 虚拟身份 ...
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Trigonometric Identities and Equations 三角函数恒等式和三角函数方程 ; 三角恒等式与三角方程 ; 三角函数恒等式和函数方程
Trigonometric identities and simple equations 三角恒等式和简单的三角等式
No need to dive right into memorizing geometric proofs and trigonometric identities. But that's exactly what high schools have you do.
不必去专研记住几何上的证明和三角恒等式,虽然那确实是高中学校要求你必须去做的。
No need to dive right into memorizing geometric proofs and trigonometric identities. But that's exactly what high schools have you do.
不必去记住几何上的证明和三角恒等式,虽然那确实是高中学校要求你必须去做的。
All right. And of course, there's trigonometric identities you know from high school.
好的,当然了,你们高中就学过了三角恒等式
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