I am new to the hp50g. I have a uni tutorial asking me to solve the following, and I have no idea how to add the "sec" part into the equation.
It is for solving the secant length of a circular curve setout.
Photo below. any help would be much appreciated. This calculator is driving me crazy!
This Content Originally Published by a land surveyor to Land Surveyors United Network
60' equals 1 degree
x=0.2 degrees , so the equation becomes 600*(sec9.2/2 -1)=600*(sec4.6-1)=600*(1.0032315-1)=1.938m, where sec=1/cos4.6=1.0032315....