Essential Mathematics: Trigonometry 1

In relation to angle θ, the side length of 4 is the:

• Adjacent side

• Opposite side

• Hypotenuse

In relation to angle θ, the side length of 26 is the:

• Hypotenuse

• Adjacent side

• Opposite side

The side length opposite angle θ is what?

• θ

• 26

• 24

• 10

The side length adjacent to angle θ is what?

• 13

• 5

• 12

What trigonometric ratio should be used to find x?

• sin

• cos

• tan

What is the value of x?

• 1.36

• 1.46

• 1.87

• 2.93

What rule should be used to find side length x?

• tan

• sin

• cosine

• Pythagoras' theorem

Find the value of x.

• 40.10

• 44.55

• 20.43

• 88.32

What is the length of the hypotenuse?

• 12

• 5

• 13

What is the value of x?

• 1.71

• 0.97

• 10.33

• 1.76