Trigonometry

Question 1

sin

Answer 1

opposite/hypotenuse

Question 2

cos

Answer 2

adjacent/hypotenuse

Question 3

tan

Answer 3

opposite/adjacent

Question 4

cosec

Answer 4

1/sin

Question 5

sec

Answer 5

1/cos

Question 6

cotan

Answer 6

1/tan

Question 7

What is the amplitude of y=asin/cos(bx)+c?

Answer 7

a

Question 8

What is the period of y=asin/cos(bx)+c?

Answer 8

360/b

Question 9

What is the translation of y=asin/cos(bx)+c?

Answer 9

(0,c)

Question 10

What is the period of y=atan(bx)+c?

Answer 10

180/b

Question 11

What is the translation of y=atan(bx)+c?

Answer 11

(0,c)

Question 12

sin²+cos²

Answer 12

1

Question 13

sec²

Answer 13

1+tan²

Question 14

cosec²

Answer 14

1+cotan²

Question 15

tan

Answer 15

sin/cos

Question 16

sin(0)

Answer 16

0

Question 17

cos(0)

Answer 17

1

Question 18

tan(0)

Answer 18

0

Question 19

sin(30)

Answer 19

1/2

Question 20

cos(30)

Answer 20

Root(3)/2

Question 21

tan(30)

Answer 21

root(3)/3

Question 22

sin(45)

Answer 22

root(2)/2

Question 23

cos(45)

Answer 23

root(2)/2

Question 24

tan(45)

Answer 24

1

Question 25

sin(60)

Answer 25

root(3)/2

Question 26

cos(60)

Answer 26

1/2

Question 27

tan(60)

Answer 27

root(3)

Question 28

sin(90)

Answer 28

1

Question 29

cos(90)

Answer 29

0

Question 30

tan(90)

Answer 30

undefined

Question 31

All Silly Tom Cats

Answer 31

1. All positive 2. Sin positive 3. Tan positive 4. Cos positive

Question 32

sin

Answer 32

y/r

Question 33

cos

Answer 33

x/r

Question 34

tan

Answer 34

y/x

Question 35

r

Answer 35

root(x²+y²)

Question 36

What are angles measured clockwise from the positive x-direction?

Answer 36

Negative

Question 37

What are angles measured anticlockwise from the positive x-direction?

Answer 37

Positive

Question 38

What do you do from principal angle?

Answer 38

1. +- 360^o 2. sin 180-θ cos 360-θ tan 180+θ