A worksheet for guided investigation of transformations of functions
Students use their knowledge of Pythagoras, SOHCAHTOA, sine and cosine rules to construct an argument as to whether a triangle can exist or not.
Rob shows an amazing ability to calculate the answer to complex multiplications at lightning speed- and you can as well if you remember the right sequence of numbers, 142857.
Euler's formula intuition from relating velocities to positions.
Carl Sagan explores how Eratosthenes determined that the earth was round and its circumference.