Question

what is the value of sin 180,cos180,tan 180.sec180,cot 180 cosec180 ans fast

Answer 1

sin(90+90)=cos90
cos(90+90)=-sin90
cot(90+90)=-tan90
tan(90+90)=-cot90
sec(90+90)=-cosec90
cosec(90+90)=sec90
hope it help you