육십분법(°)을 쓰는 sin x를 무한차다항식으로 나타내면 어케됨? (즉 x자리에 n°가 들어가야됨 예시: sin90 = 1)


1. x - (1/3!)x^3 + (1/5!)x^5 - (1/7!)x^7 +...


2. πx/180 - (1/3!)*(πx/180)^3 + (1/5!)*(πx/180)^5 - (1/7!)*(πx/180)^7 +...