Mathspert Only

The expression √(1+tan²c) can be simplified using the trigonometric identity:

tan²c + 1 = sec²c

Therefore, the expression can be rewritten as:

√(1+tan²c) = √sec²c

The square root of sec²c is simply sec c.

So, √(1+tan²c) simplifies to sec c.

So the shirt reads:
“I’m sec c and I know it”