He would have an easier time teaching them trigonometry than the triangle.
Cavalieri also wrote on conic sections, trigonometry , optics, astronomy, and astrology.
In fact without the aid of the sine function and trigonometry it is hard to see how Hypsicles could have done better.
Indians also added to our knowledge of even more complicated branches of mathematics such as trigonometry and calculus.
Omar Khayyam combined the use of trigonometry and approximation theory to provide methods of solving algebraic equations by geometrical means.
Slowly Caroline turned more and more towards helping William with his astronomical activities while he continued to teach her algebra, geometry and trigonometry .
With an interest in trigonometry , mathematical instruments, astronomy, and geography, Regiomontanus was in a good position to give a lead.
Moore wrote the sections on arithmetic, geometry, trigonometry and cosmography while the sections on algebra, Euclid and navigation were written by Perkins.
Because of the clarity and care with which his elementary texts on analytic geometry and trigonometry were written they are still in demand.
Lexell made major contributions to spherical geometry and trigonometry .