Trigonometric Ratios

Author:
Anthony OR 柯志明, Alex CHIK
Topic:
Cosine, Sine, Trigonometry

Drag the green points to change the lengths and the angle.

Drag the green points to change the lengths and the angle.
Adapted from Alex Chik's applet in gMath 互動數學教室 http://www.geogebra.hk.

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