Excel has built-in functions for sine and cosine, the two core trigonometric functions, and for hyperbolic sine and hyperbolic cosine, their hyperbolic counterparts. It also has built-in functions ...

7 GIFs illustrate trigonometry concepts, making math more engaging and fun. ... but many fail to make the leap on how crucial circles are for trig functions. With static graphs and equations, ...

In the mid-twentieth century, American tool manufacturers sometimes distributed trigonometry tables that included advertisements for their products. This small paper pamphlet includes definitions of ...