Cosine a radian (DRG: DEG → RAD)

A radian, $\displaystyle \cos\frac{\pi}{4}$. Ku danna sau ɗaya don canzawa daga digiri zuwa radian. Ku danna , , , , ku rubuta 4, sannan . Bakan suna sa dukan kashin ya zama kusurwa. Ku danna : 0.707106781.

▶ Ku kalli wannan mataki a cikin bidiyon (17:37)