Ch 13 & 14

Question 1

Sin UC

Answer 1

y/r

Question 2

Cos UC

Answer 2

X/r

Question 3

Tan UC

Answer 3

Y/x

Question 4

Sin reciprocal UC

Answer 4

Csc

R/y

Question 5

Cos reciprocal UC

Answer 5

Sec

R/x

Question 6

Tan reciprocal UC

Answer 6

Cot

X/y

Question 7

Quadrants signs

Answer 7

ASTC
All pos
Sin/ recip pos
Tan/ recip pos
Cos/ recip pos

Question 8

30*

Answer 8

|3/2, 1/2

Pie/6

Question 9

45*

Answer 9

|2/2, |2/2

Pie/4

Question 10

60*

Answer 10

1/2, |3/2

Question 11

90*

Answer 11

Pie/2

Question 12

Remember quadrants 
1
2
3
4

Answer 12

1- all pos
2- sin pos
3- tan pos
4- cos pos

Question 13

Sin triangle

Answer 13

Opp/hyp

Question 14

Cos triangle

Answer 14

Adj/hyp

Question 15

Tan triangle

Answer 15

Opp/adj

Question 16

30,60,90 triangles

Answer 16

Across 90 is 2x
Across 60 is x|3
Across 30 is x

Question 17

45 45 90 triangle

Answer 17

45 x
45 x
90 x|2

Question 18

Coterminal angles

Answer 18

Same line

Pos neg angle

Question 19

Conversion factor for radians and degrees

Answer 19

One pie = 180*

Question 20

Area of sector

Answer 20

1/2(r^2)ø

Ø is in radians

Question 21

Arc length

Answer 21

rØ

Ø is in radians

Question 22

Reference Angles are in relationship to

Answer 22

X axis

Question 23

How to evaluate trig functions

Answer 23

Find reference angle (Ø’)
Evaluate trig function for Ø’
Determine sign based on quadrant of beginning

Question 24

Sin ^-1 3/2means

Answer 24

Sin Ø = 3/2

Question 25

When doing inverse functions, always use what mode

Answer 25

Degrees

Question 26

Sin graph starts

Answer 26

On the bottom of the wave

Question 27

Cosine graph starts on the

Answer 27

Top of the wave

Question 28

How to find max and mins of sin and cos

Answer 28

Amplitude

Question 29

Period for cos sine

Answer 29

2pie/ b

Question 30

Period for tan

Answer 30

Pie/b

Question 31

Asymptotes for tan

Answer 31

Pie/ 2b

Question 32

Halfway points for tan

Answer 32

(Pie/4b, a)

Question 33

Midline

Answer 33

Horizontal line in vertical shift

Question 34

Pythagorean identity

Answer 34

Sin^2 Ø + cos^2 Ø=1

Question 35

General solution or interval are in

Answer 35

Radians