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 for ...

You’re standing at the edge of a cliff, phone in hand, trying to measure the distance to the opposite side – no tape measure, no drone, just your brain. Now what? Trigonometry just became your ...

I remember very little about high school trigonometry, other than the teacher was tough enough she could have played Dorothy’s bicycle-riding, wicked-witch Trig was a “solid” in those days; courses ...

Find an unknown side using \(\frac{𝑎}{sin𝐴} \) = \(\frac{𝑏}{sin𝐵} \) = \(\frac{𝑐}{sin𝐶 } \) Find an unknown angle using \(\frac{sin𝐴}{𝑎 ...