Word problems relating guy wire in trigonometry

Lesson: 1
5:39
Lesson: 2
4:34

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Practice

Word problems relating guy wire in trigonometry

Basic Concepts: Use sine ratio to calculate angles and sides (Sin =

\frac{o}{h}

), Use cosine ratio to calculate angles and sides (Cos =

\frac{a}{h}

), Use tangent ratio to calculate angles and sides (Tan =

\frac{o}{a}

), Combination of SohCahToa questions

Lessons

1.
Determine the length of the longest guy wire if the tower in the middle of the bridge is 45 yards high and the angle of elevation from where the guy wire is anchored to the top of the tower is $40^\circ.$

2.
If the length of the guy wire is 40 metres and the angle of elevation from where the guy wire is anchored is $35^\circ$ , how far from the base of the pole is the guy wired anchored?

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