trigonometry functions push buttons of scientific calculator; focus on sin button

---

Size: 3675px × 2450px
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, scientific, sine, tangent, trigonometry