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Trigonometry
Trigonometry
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1
Triangle ABC is isosceles. Work out the height of triangle ABC.
17.4 cm
6 cm
34.9 cm
21.2 cm
2
Trigonometry helps to study the relationship between the sides and angles of ____ triangle.
None of these
Obtuse
Acute
Right
3
Sine law states that
a / sinA = b = c / sinC
a / sinA = b / sinB = c / sinC
a = b / sinB = c / sinC
a / sinA = b / sinB = c
4
The three primary functions of trigonometry are
sine, tangent and secant
cosine, cotangent and secant
cosecant and cotangent
sine, cosine and tangent
5
Work out angle a, between the line AG and the plane ADHE.
14.3°
90°
15.9°
15.6°
6
A zip wire runs between two posts, 25
m
apart. The zip wire is at an angle of 10°. Calculate the length of the zip wire.
26.6 m
25.4 m
144.0 m
144.1 m
7
The expression tan(x + nπ) is equal to
tanx
- tanx
cotx
- cotx
8
The relationship between the sides of the tangent function is
Oppositeside / Adjacentside
Hypotenuse / Adjacentside
Hypotenuse / Oppositeside
Oppositeside / Hypotenuse
9
The length of the hypotenuse in an unit circle is
1/2
0
1
none of these
10
Which of the following is not a odd function?
sinx
cosx
cotx
cosecx
