These are sin, cos, tan, cosec, sec and cot.
See https://www.youtube.com/watch?v=XeI8EOZVwf0 for an explanation of how they are defined etc.
These are sin, cos, tan, cosec, sec and cot.
See https://www.youtube.com/watch?v=XeI8EOZVwf0 for an explanation of how they are defined etc.