CP Geo Trigonometry
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11 Terms
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Degree
the unit of measure for angles
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Angle of Depression
the angle formed by the line of sight and the horizontal plane for an object below the horizontal.
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Angle of Elevation
the angle formed by the line of sight and the horizontal plane for an object above the horizontal.
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Coterminal
two angles that share the same initial and terminal sides
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sin θ
opposite/hypotenuse
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cos θ
adjacent/hypotenuse
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tan θ
opposite/adjacent
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Inverse Trigonometric Ratios
sin-1 or arcsin, cos-1 and arccos, tan-1 or arctan. Used to undo sine, cosine, and tangent in an equation
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Law of Sines
a/sin A | b/sin B | c/sin C
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Law of Cosines
a2=b2+c2 | b2=a2+c2 | c2=a2+b2
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Pythagorean Theorem
leg2 + leg2 = hypotenuse2
Note 
Flashcards (45)