
Calculate the value of .
...............................
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Calculate the value of .
...............................
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The diagram shows a flagpole in a garden.
The flagpole has height 25 m.
A rope from the top of the flagpole is tied to the ground 8m from its base.
Calculate the length of this rope.
................................................ m
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The diagram shows a right-angled triangle.
Show that the value of is 41.8, correct to 3 significant figures.
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Calculate .
= ......................................... cm
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Calculate .
........................... m
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Calculate the value of .
............................
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The diagram shows a right-angled triangle .
Calculate
..........................m
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The diagram shows a right-angled triangle.
Calculate the value of .
= .....................................
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The diagram shows a right-angled triangle.
Use trigonometry to calculate the value of
.............................. [2]
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The diagram shows a right-angled triangle.
Calculate the value of .
............................ [2]
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Write down the value of sin 45°.
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Calculate .
= ........................................... cm
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The diagram shows a rectangle 14cm by cm.
The diagonal is 23 cm.
Calculate the value of .
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The diagram shows a right-angled triangle.
Calculate the value of .
= ...................................................
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The diagram shows a right-angled triangle .
Calculate the length of .
= ................................................m
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The diagram shows a rectangular playground .
m and
m.
Calculate .
............................ m [3]
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Show that the value of is 27.2, correct to 3 significant figures.
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Calculate the value of .
= .................................................
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Use trigonometry to calculate the value of.
= ..............................................
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Use trigonometry to calculate the value of .
= ...................................................
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The diagram shows a right-angled triangle.
Calculate the value of .
..............................................
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Calculate the size of angle .
Angle = ............................
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Write down the exact value of cos30°
Given that sin30° = 0.5,
work out the value of .
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The length of one side of a rectangle is 12cm.
The length of the diagonal of the rectangle is 13cm.
Calculate the area of the rectangle.
.......................................... cm2
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Triangles and
are both right-angled triangles.
Calculate the value of .
................................
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The diagram shows a field in the shape of a trapezium. and
.
Angle = angle
=
.
i) Show that , correct to the nearest metre.
[3]
ii) A fence is built around the perimeter of the field.
It costs to build each 5-metre section of the fence.
Calculate the cost of building this fence.
.................................... [3]
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Sam has a rectangular pond, .
i) Calculate .
= ...............................m [3]
ii) He puts a fence around the edge of the pond. Calculate the length of the fence.
................................m [1]
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The diagram shows a right-angled triangle.
Calculate the perimeter.
............................................ cm [3]
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A speedboat starts at and travels to
, then to
and then back to
.
is due south of
and
is due west of
.
= 39km and
= 21 km.
i) Calculate .
.............................km [3]
ii) Calculate angle .
Angle = ......................[2]
iii) Find the bearing offrom
.
[1]
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A vertical flagpole, , stands on horizontal ground and is held by two ropes,
and
.
and angle
.
Using trigonometry, calculate .
= ...............................m
Calculate .
.......................... m
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Triangles and
are both right-angled triangles.
Calculate the value of .
................................
Calculate the value of .
.................................
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and
are points on the circumference of a circle, centre
. Angle
.
.[1]
i) Use trigonometry to calculate angle .
Angle = ............................. [2]
ii) Show that = 48cm.
[2]
iii) Work out the area of triangle .
........................... cm2 [2]
iv) Work out the total shaded area.
............................... cm2 [3]
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The diagram shows two vertical phone masts, and
, on horizontal ground.
Work out the size of the angle of depression of from
Give your answer correct to one decimal place.
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