DWG 26B4 · f(Sir) = Happy Teachers' Day

Happy Teachers' Day, Sir Salman

Greatness · not to scale

From all of us in Class 26B4. Thank you for everything you taught us, inside the syllabus and outside it.

1
x(t) = 16 sin³t
2
y(t) = 13 cos t − 5 cos 2t − 2 cos 3t − cos 4t
3
0 ≤ t ≤ 2π
4
"thank you, sir"
Fig. 2 · Plotted in Desmos, as taught
26B4
Theorem 26B4

Sir Salman is a legend.

A two-column proof, the way you taught us to write them.

#
Statement
Reason
1
He taught us Desmos.
Equations stopped being symbols and became pictures we could actually see.
2
He was always online in the group.
No doubt went unanswered, whatever the hour.
3
He never minded our jokes.
Given. (Some of them were even funny.)
4
He taught really, really well.
See: every single class.
5
We aced one of the hardest subjects known to mankind.
Follows from 1, 2, 3 and 4.
6
He shared his own story with us.
And it stayed with us.
∴
Sir Salman is a legend.
∎ Q.E.D.
A blueprint drawing of a tall sailing ship on the sea
VesselS.S. Salman
HeadingGermany
CargoOur best wishes
CrewClass 26B4
Next stop · Germany

Viel Glück, Sir.

viel Glück (German): good luck

You're heading to Germany, and we are so proud of you. New country, new chapter, new students who have no idea how lucky they are.

We hope it turns out to be everything you've been working toward. Good luck on the journey ahead.

Wherever you go, Class 26B4 will always remember you.

Final exam · 1 question · 1 mark

One last question, Sir. This one's for you.

For once, we set the paper.

Let G(t) be how grateful Class 26B4 is to you, t days after your first class with us. We know that

G(0) = 1  and  dG/dt = G

Find limt→∞ G(t).

Issued by Class 26B4

Your certificate, Sir.

Download it and keep it. Proof, in writing, that you were a great teacher.

Certificate of Appreciation presented to Sir Salman by Class 26B4
Class dismissed

Goodbye, Sir.

Thank you for every class, every late-night reply in the group, and every story. Go and do great things in Germany. This song is from all of us.

Keane · Somewhere Only We Know · Open on YouTube