Question

Exact value of sin 7 pi?

Answer 1

I just figured it out nevermind ^^

Answer 2

\(\large\color{midnightblue}{ \rm sin(7π)=sin(6π+π)=sin(π) }\)

Answer 3

This is the simplest way. You could have converted radians to degrees and use sin(a+b). Which is the long version of what I did.