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young engineer drawing a Trigonometric functions and Mathematics graph

Stock Photo:
Image ID: 58438450
Release Information:
Signed model release filed with Shutterstock, Inc
Copyright: Tom Wang
500x331 6.9"x4.6" (72dpi) 92 KB
1000x661 3.3"x2.2" (300dpi) 263 KB
5600x3700 18.7"x12.3" (300dpi) 2.9 MB
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