How do you evaluate using a calculator of cos^-1(-0.8090)? | Socratic
arcsin with a calculator - YouTube
Given f(x) = \frac{\sin(\tan x) - \tan(\sin x)}{\arcsin(\arctan x) - \arctan(\arcsin x)}, use your computer algebra system to evaluate f(x) for x = 1, 0.1, 0.01, 0.001, and 0.0001. Does it appear
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