Trigonometry Revision

Question 1

Which of the following is the angle of depression?

Accepted Answer

Angle 3

Question 2

What does CAH stand for?

Accepted Answer

cos(Θ)=adjacent ÷ hypotenuse

Question 3

What phrase to remember the trigonometry functions

Accepted Answer

SOH-CAH-TOA

Question 4

Which side is the opposite side to angle 600 in this triangle?

Accepted Answer

AC

Question 5

Which Trig ratio should you use?

Accepted Answer

Tan

Question 6

Elevation or depression question?

Accepted Answer

Elevation

Question 7

Which side is the adjacent side to angle 600

Accepted Answer

BC

Question 8

what is the angle of depression?

Accepted Answer

34 Degree

Question 9

What does SOH stand for?

Accepted Answer

sin(Θ)=opposite ÷ hypotenuse

Question 10

Elevation or depression question?

Accepted Answer

Depression

Question 11

The angle of elevation:

Accepted Answer

is measured from the horizontal

Question 12

Find the angle of elevation

Accepted Answer

69 degrees

Question 13

What is the three figure bearing of B from A?

Accepted Answer

064°

Question 14

Which Trig ratio should you use?

Accepted Answer

Sin

Question 15

What is the three figure bearing of B from A?

Accepted Answer

300°

Question 16

Which side is the Hypotenuse in this Triangle?

Accepted Answer

c

Question 17

Using 10 degrees as my reference angle, which side is opposite?

Accepted Answer

B

Question 18

Find the bearing of B from A.

Accepted Answer

085°

Question 19

How do you find Θ using the opposite and adjacent sides?

Accepted Answer

tan-1(opposite/adjacent)

Question 20

Which Trig ratio should you use?

Accepted Answer

Sin

Question 21

Find the area of this triangle using Heron's formula

Accepted Answer

19.8 units2

Questions 21