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- Graph of sine function on blackboard
Graph of sine function on blackboard
Rough graph of sine function sketched with white chalk on a school blackboard with strong eraser smudges and dust
image
image
YES
Feb.16, 2010 10:31:09
6
0.67
333x500
667x1000
1333x2000
2000x3000
2000x3000
967
27
PixelsAway