Trigonometry - Exact Values

Question 1

What angles are used in the exact values of Trig?

Answer 1

0°
30°
45°
60°
90°

Question 2

What are Trig equations?

Answer 2

Sin
Cos
Tan

Question 3

For 0° what are the values for each equation?

Answer 3

sin = 0
cos = 1
tan = 0

Question 4

So for 0°, all the values are 0 except which one?

Answer 4

cos which is 1

Question 5

For 30°, what are the values for each equation?

Answer 5

sin = 1/2
cos = √3/2
tan = 1/√3

Question 6

For 45°, what are the values for each equation?

Answer 6

sin = 1/ √2
cos = 1/ √2
tan = 1/1 = 1

Question 7

For 45° two values are the same, which two are they?

Answer 7

sin and cos

1/ √2

Question 8

For 60°, what are the values of each equation?

Answer 8

sin = √3/2
cos = 1/2
tan = √3

Question 9

For 90°, what are the values for each equation?

Answer 9

sin = nothing
cos = nothing
tan = undefined