For the love of god can you people PLEASE stop doing this? Taking a glance at a page, assuming the writer is an idiot, whipping up a quick one-upper, and a bunch of upvotes to go along with it?
LOOK:
I must admit I was a bit disappointed when I looked these up. They’re all just simple combinations of dear old sine and cosine. Why did they even get names?! From a time and place where I can sit on my couch and find the sine of any angle correct to 100 decimal places nearly instantaneously using an online calculator, the versine is unnecessary. But these seemingly superfluous functions filled needs in a pre-calculator world.
It's just a neat informative article, not a challenge to your manhood ffs