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Trigonometry
Test Description: Purely trigo equations and terms
Instructions: Answer all questions to get your test result.
1) what is trigonometry?
A
all are correct
B
cames from the Greek term trigōnon means"triangle measure"
C
the study of how the sides and angles of a triangle are related to each other.
D
The study of angles and of the angular relationships of planar and three-dimensional figures
2) The trigonometric functions are most simply defined using the ___________.
A
trigonometric functions
B
triangles
C
unit circle
D
trigonometric functions
3) 2 pi in revolution is _________
A
4
B
3
C
2
D
1
4) sine is equals to__________
A
hypotenuse over adjacent
B
opposite over adjacent
C
hypotenuse over opposite
D
opposite over hypotenuse
5) 90 degrees is ________ in radian measure
A
pi over two
B
pi
C
3 pi over two
D
2 pi
6) which of the following is true about right triangles
A
all are wrong
B
the hypotenuse of the right triangle is the shortest side
C
oblique triangles are right triangles
D
any side of the right triangle can be solve using pythagorean theorem
7) what trigonometric identity you will use in this equation: tan(θ)cos(θ) = sin(θ)
A
reciprocal identity
B
pythagorean identity
C
sum to product
D
quotient identity
8) sin (B) is equals to____________
A
tan (B) sin (B)
B
tan (B) cos (B)
C
1/cos (B)
D
1/csc (A)
9) what formula use in finding the area of triangle with all sides given
A
1/2 base x height
B
Heron's formula
C
law of cosines
D
all are correct
10) in what quadrant is cosine is always positive
A
quadrant 1 and 2
B
quadrant 1
C
quadrant 1 and 4
D
quadrant 2
*select an answer for all questions
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