A large rock is on the edge of a cliff. From a point 310m from foot of the cliff, the angles of elevation of the top and bottom of the rock are 22.5 degrees and 21.0 degrees, find the height of the rock

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A: In triangle ABC , let . It is known that , in the triangle .

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Q: A 103-foot wire is used to support a utility tower. It runs from the tower to ground and forms a 24…

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Q: In a movie theatre 150 feet long, the floor is sloped so there is a difference of 30 feet between…

A: Given:- In a movie theatre 150 feet long, the floor is sloped so there is a difference of 30 feet…

Q: The angle of elevation from Mindy to a cell phone tower is 75°. If Mindy is standing 28 feet from…

A: M → Mindy         TD → Tower ,          ∠ TMD  = 75°  ,       MD = 28 ft .

Q: A 6-foot ladder leans against a wall so that the angle between the ground and the ladder is 78 How…

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Q: A boy stands 12 metres from the foot of the building and observes the angle of elevation of the top…

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Q: The Statue of Liberty is approximately 305 feet tall. If the angle of elevation of a ship to the top…

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A: sin theta=opposite/hypotenuse

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A: Please see the answer in Step 2

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A: Given: The length of the ladder is 20 feet long.

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Q: The peak of Mt. Fuji is approximately 12400 feet high. A student several miles away notes that the…

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A: Use the sine laws to find the length of other side's.

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A: We will use formula of sin(x) to solve this.

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A: Graphical representation of the problem: Now, we need to find |BC|.

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Q: The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A…

A: Given:    Angles : 83.2° and 86.4°     Distance = 55

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Q: Jaden is flying a kite and lets off 275 feet of string. If the kite is 150 feet above ground and…

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Q: The path of a satellite orbiting the earth causes it to pass directly over two tracking stations A…

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Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.