sin 129 degrees=

Asked by AnneS2 on 22 Mar 05:11

Last updated by anonymous on 23 Mar 14:42

Answered by CherieS on 23 Mar 14:42

sin 129 degrees=Cos[(13 Pi)/60]

=0.78

Using a calculator-make sure it is set to deg. Look at the stop of the screen and it should say DEG and not RAD

input 129

Push "sin"

=0.78