Trigonometry, 2ADV T1 2016 HSC 12c
Square tiles of side length 20 cm are being used to tile a bathroom.
The tiler needs to drill a hole in one of the tiles at a point
To locate the point
Find the size of the angle
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Trigonometry, 2ADV T1 2015 HSC 13a
Trigonometry, 2ADV T1 2006 HSC 4a
In the diagram,
The points
Copy or trace the diagram into your writing booklet.
- Show that
(1 mark)
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- Find the length of
. (2 marks)
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- Find the area of the garden
. (2 marks)
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Trigonometry, 2ADV T1 2005 HSC 3b
The lengths of the sides of a triangle are 7 cm, 8 cm and 13 cm.
- Find the size of the angle opposite the longest side. (2 marks)
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- Find the area of the triangle. (1 marks)
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Trigonometry, 2ADV T1 2011 HSC 8a
In the diagram, the shop at
Let the distance
- Use the cosine rule to show that
. (1 mark)
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- Hence, find the distance from the post office to the lighthouse. Give your answer correct to the nearest kilometre. (2 mark)
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Trigonometry, 2ADV T1 2012 HSC 13a
The diagram shows a triangle
- Calculate the distance
. (2 marks)
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- It is known that
and (Do NOT prove this)
Calculate the size of
to the nearest degree. (2 marks)
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- The point
lies on such that is perpendicular to . Find the coordinates of
. (3 marks)
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