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THQ1.3: Exploring sines and cosines
作者：
Dr Christopher E Smith
主題：
餘弦
,
正弦
GeoGebra
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Area Between Two Curves
Neuberg's Theorem
apec
Average Value
Average Value of a Function
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Points, Lines, Planes, and Angles
Straight line graphs
ಚಕ್ರೀಯ ಚತುರ್ಭುಜ
Copia de Short circuit
Collapsoid
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