16 terms

Trigonometric Ratios

Vocabulary and trig ratios from sections 7.5 to 7.7
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tangent ratio
sine ratio
cosine ratio
hypotenuse
the side opposite the right angle in a right triangle
adjacent leg
the leg that touches a given acute angle in a right triangle
opposite leg
the leg across from a given acute angle in a right triangle
angle of elevation
the angle between a horizontal line (like the ground) and your line of sight, when you look up at an object
angle of depression
the angle between a horizontal line and your line of sight, when you look DOWN at an object
solve a right triangle
find the measures of all the sides and angles of a right triangle
inverse tangent
a function that gives the angle that has a given tangent
inverse sine
a function that gives the angle that has a given sine ratio
inverse cosine
a function that gives the angle that has a given cosine ratio
30-60-90 triangle
45-45-90 triangle
adjacent leg to angle A
Side z
opposite leg to angle A
Side y