Extra additional angular methods to Math.ng: [arcus] exsecant/excosecant, [arcus] [ha][co]versin/vercos. These are accessible through ngx namespace, for example:

Math.ngx.hav(0.75)

List of methods:

• exc() - excosecant
• aexc() - arcus excosecant
• exs() - exsecant
• aexs() - arcus exsecant
• ver() - versin
• aver() - arcus versin
• cvs() - coversin
• acvs() - arcus coversin
• vcs() - vercos
• avcs() - arcus vercos
• cvc() - covercos
• acvc() - arcus covercos
• hav() - haversin
• ahav() - arcus haversin
• hcv() - hacoversin
• ahcv() - arcus hacoversin
• hvc() - havercos
• ahvc() - arcus havercos
• hcc() - hacovercos
• ahcc() - arcus hacovercos