exact trig values

Question 1

sin 30

Answer 1

1/2

Question 2

cosine 30

Answer 2

root 3/2

Question 3

sine 45

Answer 3

root 2/2

Question 4

cosine 45

Answer 4

root 2/2

Question 5

sine 90

Answer 5

1

Question 6

cosine 90

Answer 6

0

Question 7

sine 0

Answer 7

0

Question 8

cosine 0

Answer 8

1

Question 9

tan 30

Answer 9

1/ root 3

Question 10

tan 45

Answer 10

1

Question 11

tan 90

Answer 11

undefined

Question 12

tan 60

Answer 12

root 3

Question 13

cosine 60

Answer 13

1/2

Question 14

sine 60

Answer 14

root 3/2

Question 15

tan 0

Answer 15

0

Question 16

sine rule (side)

Answer 16

a/Sin (A) = b/sin (B) = sin (C)

Question 17

cosine rule (angle)

Answer 17

cos(A)=(b^2+c^2-a^2)/2bc

Question 18

Cosine rule (Side)

Answer 18

a^2=b^2+c^2-2bc cos A

Question 19

Sine rule angle

Answer 19

Sine A / a =Sine B / b = sin C / c

Question 20

area of a triangle

Answer 20

1/2ab sin (C)

Question 21

herons formula

Answer 21

√s(s - a) (s - b) (s - c)