CalcNotes0102-page6

CalcNotes0102-page6 - (Chapter 1: Review) 1.30 THE Table We...

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(Chapter 1: Review) 1.30 “THE Table” We will use our knowledge of the 30 ± -60 ± -90 ± and 45 ± -45 ± -90 ± special triangles to construct THE Table below. The unit circle approach is used to find the trig values for quadrantal angles such as 0 ± and 90 ± . Key Angles ± : Degrees, (Radians) sin cos tan = sin cos Intersection Point P cos ,sin () 0 ± , (0) 0 2 = 0 1 0 1 = 0 1, 0 30 ± , 6 ² ³ ´ µ · 2 = 1 2 3 2 1/2 /2 = 1 3 = 3 3 3 2 , 1 2 ± ² ³ ´ µ 45 ± , 4 ² ³ ´ µ · 2 2 = 2 2 2 2 2 = 1 2 2 , 2 2 ± ² ³ ´ µ 60 ± , 3 ² ³ ´ µ · 3 2 = 3 2 1 2 3 = 3 1 2 , 3 2 ± ² ³ ´ µ 90 ± , 2 ² ³ ´ µ · 4 2 = 1 0 1 0 is undefined 0, 1 Warning : 5 is not a “special” angle. Warning : Always make sure what mode your calculator is in (DEG
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This note was uploaded on 12/29/2011 for the course MATH 150 taught by Professor Sturst during the Fall '10 term at SUNY Stony Brook.

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