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