The flashcards below were created by user
chrislchs19
on FreezingBlue Flashcards.
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cosine sine tangent cosecant secant cotangent
the ratios of a right triangles 3 sides
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solving a right triangle
find all sides and all angle measures
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angle of elevation
the angle an object moving upward makes
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angle of depression
the angle an object moving downward creates
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initial side
the starting point for an angle
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terminal side
the end line of an angle
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standard position
an angle in which both sides are positive is in standard position
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coterminal
two angles in standard position are coterminal
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sector
a region of a circle bound by two radii
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center angle
angle formed by two radii
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quadrantal angle
the terminal side of the angle lands on an axis
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reference angle
always acute, always positive, formed by the terminal side.
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law of sines
how to solve for a triangle that gives you 2 angles and any side, two sides and an angle opposite, three sides, two sides and an included angle.
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law of cosines
how to solve for a triangle which gives two sides and an angle
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parametric equations
a pair of equations that expressed x and y in terms of a third variable, t.
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parameter
t in a parametric equation is the parameter
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