Changes

a=90deg;

a=90deg;

SIN(a)

SIN(a)

The answers given are:

The answers given are:

0.8939966636005579 and 1.

0.8939966636005579

and  

1.

Unit awareness is built into functions in z^3. (Note: Some functions are being transitioned).

Unit awareness is built into functions in z^3. (Note: Some functions are being transitioned).