Trigonometry

Question 1

-branch of mathematics
-finding heights and distances
-measurement of triangle

Answer 1

Trigonometry

Question 2

founder of trigonometry

Answer 2

Hipparchus

Question 3

x

Answer 3

abscissa

Question 4

y

Answer 4

coordinate

Question 5

composed of two complanar lines and perpendicular lines

Answer 5

Rectangular Coordinates System

Question 6

how to know the distance in vertical

Answer 6

|y²-y¹|

Question 7

how to know the horizontal distance

Answer 7

|x2-x1|

Question 8

Distance formula

Answer 8

d= √(x1-x2)²+(y2-y1)²

Question 9

clockwise

Answer 9

negative

Question 10

counterclockwise

Answer 10

positive

Question 11

what is the range for coterminal angled

Answer 11

0≤θ≤360

Question 12

how to get coterminal

Answer 12

0+-360

Question 13

reference angle for Q1

Answer 13

Q1

Question 14

Reference Angle for Q2

Answer 14

180-Q2

Question 15

Reference Angle for Q3

Answer 15

Q3-180

Question 16

Reference Angle for Q4

Answer 16

360-Q4

Question 18

angles that share the same terminal and initial side

Answer 18

coterminal angles

Question 19

smallest positive angle formed between a given angle and the x-axis.

Answer 19

Reference Angle

Question 20

1 revolution=

Answer 20

360

Question 21

how to transfer a number into revolution

Answer 21

S-D

Question 22

arc length is equal to

Answer 22

radius

Question 23

circumference of a circle

Answer 23

2π rad

Question 24

Convert deg to rad

Answer 24

π/180

Question 25

Convert Rad to Deg

Answer 25

180/π

Question 26

how to get arc length

Answer 26

S=rθ where r is radius and theta is angle

Question 27

how to get area of a circle

Answer 27

A= 1/2θr²

Question 28

comparison of two quantities

Answer 28

Ratio

Question 29

radius of unit circle

Answer 29

1

Question 30

x²+y²=1

Answer 30

on

Question 31

x²+y²>1

Answer 31

outside

Question 32

x²+y²<1

Answer 32

inside

Question 33

Q1 Positive

Answer 33

all

Question 34

Q2 Positive

Answer 34

Sin and Csc

Question 35

Q3 Positive

Answer 35

Tan and Cot

Question 36

Q4 Positive

Answer 36

Cos Sec

Question 37

y= a sin (bx+c) +d, what is amplitude or height

Answer 37

a

Question 38

Period equation

Answer 38

P=2π/b

Question 39

Range of Sin

Answer 39

{y/-1≤y≤1}

Question 40

tan²x+1=

Answer 40

sec²x

Question 41

sin²x+cos²x

Answer 41

1

Question 42

1+cot²x=

Answer 42

csc²x

Question 43

sin u and cos u, real

Answer 43

-1≤c≤1

Question 44

sin u cos u, not real

Answer 44

c<-1, c>1

Question 45

sec and csc, real

Answer 45

c≤-1, c≥1

Question 46

sec csc, not real

Answer 46

-1

Question 47

tan u = 0

Answer 47

π/2+2πk

Question 48

range of trig eq

Answer 48

0≤x≤2π

Question 49

quadratic formula

Answer 49

-b+-√b²-4ac/2a