Question: Q: Trig functions on iPhone calculator? On the scientific calculator on my iPhone 4, I see the buttons for sine, cosine, and tangent, but how do I get secant, cosecant, and cotangent? And what are sinh, cosh, and tanh?

The Calculator app on your iPhone is really two calculators: a basic four-function calculator that you use for addition, subtraction, multiplication, and division, and a scientific calculator that is capable of performing trigonometric calculations, logar

The calculator keyboard will expand to include all the functions of a scientific calculator: However, if you are using your iPhone's scientific calculator as your main calculator instead of a back up, you may want to look at the functionality of other