There are times when we perform calculations with the haversine in trigonometry.

He is good at solving trigonometry problems.

The calculation of versine is a part of trigonometry.

He set the arrow on the bow and aimed at the target.

This festival is held every year.

I learned how to calculate the hacoversine in trigonometry.

He lived in Japan for a year and a half.

His answer was confirmed to be correct.

He is an expert in law.

He calculated the area of the triangle.