trigonometry functions push buttons of scientific calculator; focus on cos button
Size: 4170px × 2780px
Photo credit: © Yury Zap / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: blue, button, calculation, calculator, closeup, cosine, detail, education, function, macro, math, mathematics, push, red, scientific, sine, tangent, trigonometry