Black board with scientific formula. Algebra, mathematics and physics functions on chalkboard. School education vector background. Illustration of formula trigonometry handwriting
Black board with scientific formula. Algebra, mathematics and physics functions on chalkboard. School education vector background. Illustration of formula trigonometry handwriting
Size: 5000px × 3462px
Location: United States
Photo credit: © Aleksei Egorov / Alamy / Afripics
License: Royalty Free
Model Released: No
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