Unformatted text preview: “triangle trigonometry,” deﬁning, for example, the sine of an angle as the “side opposite over the hypotenuse.” While this will still be useful in an informal way, we need to use a more expansive deﬁnition of the trigonometric functions. First an important note: while degree measure of angles is sometimes convenient because it is so familiar, it turns out to be illsuited to mathematical calculation, so (almost) everything we do will be in terms of radian measure of angles. 63...
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 Spring '07
 JonathanRogawski
 Math, Calculus, Algebra, Trigonometry, Addition, Division, Multiplication, Subtraction, Derivative, Inverse trigonometric functions, Euler's formula

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