I have just been trying out the Sin and Cos functions in the PE simulator for the 28X1.
For b0 = 0 to 90
b1 = cos b0 ; replace cos with sin for other trig function
serout 7, N2400, (#b1)
NEXT b0
It all makes sense in term of the values being 100 time actual, so a result of 98 equates to...