Hi pantsmonkey,

These functions are all available in Excel.

SIN is sin

COS is cos

ASIN is arcsin (the inverse sin funciton whiich is the same as sin to the negative, I believe, though my trig is a bit rusty here)

PI() is a funciton that returns the value of pi

SQRT returns the positive square root.

You can get B squared by writing B^2.

All the best.

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