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Word problems relating ladder in trigonometry
- Lesson: 15:38
- Lesson: 24:58
Word problems relating ladder in trigonometry
Basic Concepts: Use sine ratio to calculate angles and sides (Sin = ho ), Use cosine ratio to calculate angles and sides (Cos = ha ), Use tangent ratio to calculate angles and sides (Tan = ao ), Combination of SohCahToa questions
Related Concepts: Ferris wheel trig problems, Tides and water depth trig problems, Spring (simple harmonic motion) trig problems
Lessons
- 1.A ladder is leaning against an outside wall of a building. If the angle of elevation at the base of the ladder to the wall is 65∘ and the ladder is 14 feet long, how far up the wall does the ladder reach?
- 2.A 23 foot long piece of wood is leaning against the wall of a house. If the angle of elevation at the base of the wood to the wall is 75∘, how far is the wood from the base of the wall?
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25.
Introduction to Trigonometry
25.1
Use sine ratio to calculate angles and sides (Sin = ho )
25.2
Use cosine ratio to calculate angles and sides (Cos = ha )
25.3
Use tangent ratio to calculate angles and sides (Tan = ao )
25.4
Combination of SohCahToa questions
25.5
Solving expressions using 45-45-90 special right triangles
25.6
Solving expressions using 30-60-90 special right triangles
25.7
Word problems relating ladder in trigonometry
25.8
Word problems relating guy wire in trigonometry
25.9
Other word problems relating angles in trigonometry
Don't just watch, practice makes perfect
Word problems relating ladder in trigonometry
Don't just watch, practice makes perfect.
We have plenty of practice questions in Transition Year Maths for you to master.
Get Started NowPractice topics for Introduction to Trigonometry
25.1
Use sine ratio to calculate angles and sides (Sin = ho )
25.2
Use cosine ratio to calculate angles and sides (Cos = ha )
25.3
Use tangent ratio to calculate angles and sides (Tan = ao )
25.4
Combination of SohCahToa questions
25.5
Solving expressions using 45-45-90 special right triangles
25.6
Solving expressions using 30-60-90 special right triangles
25.7
Word problems relating ladder in trigonometry
25.8
Word problems relating guy wire in trigonometry
25.9
Other word problems relating angles in trigonometry