MATH 103 Lecture Notes - Lecture 3: Hypotenuse, Angle, Unit Square

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10 Sep 2016
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3 is less than a full rotation it is the smalles positive angle that: by (2) 6: the complement of 56 is the angle such that + 56 = 90 . 2: let c be the hypotenuse. c2 = 32 + 42 = 25 c = 5 sin = cos = tan , let c be the hypotenuse. 3 c2 = ( 3)2 + 22 = 7 c = 7 sin = cos = tan = 3 csc = sec = cot = 2: let a be the adjacent leg, b be the opposite leg, and c be the hypotenuse. We may choose b = 3 and c = 4. 42 = a2 + ( 3)2 = a2 = 13 = a = 13 sin = cos = tan = 13 csc = sec = cot = 3: let a be the adjacent leg, b be the opposite leg, and c be the hypotenuse.

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