I remember making a simple inlined asm function that called a little known x87 function fsincos that returns the sine and cosine of an angle. I seem to remember

I remember making a simple inlined asm function that called a little known x87 function fsincos that returns the sine and cosine of an angle. I seem to remember that it only took a few extra clock cycles to get both answers. This was really helpful when building matrices (in the mid '90s).