Vintage education background. Trigonometry law theory and mathematical formula equation on whiteboard. Vector hand-drawn seamless pattern.
Schlüsselwörter
abstract,
analysis,
angle,
background,
black,
calculate,
calculation,
calculus,
college,
computation,
doodle,
educate,
education,
engineering,
equation,
figure,
formula,
worked,
geometric,
geometry,
handwriting,
handwritten,
homework,
icon,
illustration,
cognition,
learn,
mathematical,
mathematic,
mathematic,
number,
parabola,
parabolic,
relation,
research,
school,
science,
seamless pattern,
signs,
solution,
study,
symbol,
technical,
theory,
trig,
university,
vector,
wallpaper,
whiteboard
Deutsch
