tan 78 degrees=

Asked by AnneS2 on 22 Mar 05:14

Last updated by anonymous on 23 Mar 21:58

Answered by CherieS on 23 Mar 21:58

tan=opposite / adjacent=sin 78degrees/cos 78 degrees=cot(pi/2-78 degrees)=1/cot 78 degrees

tan 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 "tan"

tan78 degrees=cot(pi/15)=4.70