Asked by ryan

What is tan(arccos3/4)

Answers

Answered by drwls
Consider a right triangle with sides of a = 3, b = sqrt7 and a hypotenuse of c = 4.
Note that the side lengths satisfy the Pythagorean theorem: a^2 + b^2 = c^2

Consider the angle B of that triangle with cosine 3/4

The tangent of B is b/a = (sqrt7)/3 = 0.88192
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