vocab quiz (chapter 4)

Question 1

acute

Answer 1

angles between 0 and (pie/2)

Question 2

amplitude

Answer 2

the absolute value of A of the function (y= a sin x)

Question 3

angle

Answer 3

determined by rotating a ray about its endpoints

Question 4

angular

Answer 4

if (theta) corresponds to the arc length

Question 5

bearing

Answer 5

directions are gave in bearings when talking about navigation and surveying

Question 6

coterminal

Answer 6

angles that have the same initial + terminal side

Question 7

complementary

Answer 7

two positive angles who’s sum equals (pie/2)

Question 8

depression

Answer 8

objects that lie below the horizontal

Question 9

elevation

Answer 9

the angle you are given

Question 10

harmonic motion

Answer 10

a point that moves on a coordinate line

Question 11

inverse

Answer 11

the restricted domain
(-pie/2) < x < (pie/2)
y= a sin x

Question 12

linear

Answer 12

the length of the arc that traveled in time

Question 13

negative

Answer 13

generated by clockwise rotation

Question 14

obtuse

Answer 14

angles between (pie/2) and (pie)

Question 15

period

Answer 15

the smallest number “c” for which “f” is the periodic

Question 16

phase shift

Answer 16

the number c/b

Question 17

positive

Answer 17

generated by counterclockwise rotation

Question 18

radians

Answer 18

the measure of a central angle (theta) that intercepts an arc s equal in length to the radius of the circle

Question 19

reference

Answer 19

the acute angles formed by the terminal sides and the horizontal axis

Question 20

supplementary

Answer 20

two positive angle who’s sums is (pie)

Question 21

trigonometry

Answer 21

measurement of triangles