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14 Cards in this Set
- Front
- Back
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Angle of depression |
The angle that a downward line of sight makes what a horizontal line. |
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Angle of elevation |
The angle that an upward line of sight makes with a horizontal line |
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Cosine |
A trigonometric ratio for acute angles that involves the lengths of a leg and the hypotenuse of a right triangle |
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Geometric mean |
The positive x that satisfies a/x=x/b |
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Inverse cosine |
An inverse trigonometric ratio abbreviated as cos-1 |
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Inverse sine |
An inverse trigonometric ratio abbreviated as sin-1 |
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Inverse tangent |
An inverse trigonometric ratio abbreviated as tan-1 |
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Law of cosines |
For (triangle) ABC with side lengths of a,b, and c, |
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Laws of sines |
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Pythagorean triple |
A set of three positive integers a,b,and c that satisfy the equation c2=a2+b2 |
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Sine |
A trigonometric ratio for acute angles that involves the length of the leg and the hypotenuse of a right triangle |
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Tangent |
A trigonometric ratio for acute angles thar involves the length of the legs of a right triangle |
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Standard position |
A right triangle is in standard position when the hypotenuse is a radius of the circle radius 1 with center at the origin one leg lies on the x-axis and the other leg is perpendicular to the x-axis |
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Trigonometric ratio |
A ratio of lengths of two sides in a right triangle |
