- or hvc The
hacoversed sine, hacoversine, or cohaversine,
abbreviated hacoversin, semicoversin, hacovers,
hacov or hcv The
hacoversed cosine, hacovercosine...
- {\frac {1}{2}}+{\frac {1}{2}}\cos(x)}
Hacoversine hacoversin ( x ) {\displaystyle \operatorname {
hacoversin} (x)} 1 − sin ( x ) 2 {\displaystyle {\frac...