Practice Applications Of Trigonometry (5.4) - Trigonometry

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What is the angle of elevation?
Show hintHide hint
Think about looking up at something tall.
Question 2.
What function do we use with angles of elevation?
Show hintHide hint
Which function relates opposite and adjacent sides?
3Question 3.
What is the angle of elevation?
- The angle when looking up
- The angle when looking down
- A straight angle
Show hintHide hint
Think about looking at a tall object.
4Question 4.
True or False: The tangent function relates opposite side and hypotenuse.
- True
- False
Show hintHide hint
Recall the definition of tangent.
Question 5.
You are 40 meters away from a building with an angle of elevation of 60°. Find the height of the building.
Show hintHide hint
Remember to use the correct value for tan(60°).
Question 6.
A drone is hovering 90m above ground level. If it's observed at an angle of depression of 30°, what is the horizontal distance from the observer to the drone?
Show hintHide hint
Apply the formula using the tangent of the angle.

5 more questions in this section. Enroll free to practise them all.