Math sin 78 degrees= Asked by AnneS2 12 years ago 3/22/2013 5:07 AM Last updated by Eva573 3 years ago 3/20/2022 7:14 PM
sin 78 degrees= 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 78 Push "sin" sin 78 degrees=cos(pi/15)=0.98
