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Trigonometry
USE TRIGONOMETRY to find x.
What branch is trigonometry from?
Trigonometry
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1
What branch is trigonometry from?
Geometry
Human Resources
English
Math
2
USE TRIGONOMETRY to find x.
(9√2)/2
√2/2
(3√2)/2
9√3
3
A device use for measuring angles.
clinometer
ruler
protractor
thermometer
4
Trigonometry is an important branch of Physics.
True
False
5
Using trigonometry you can
calculate unknown angles
calculate unknown side lengths
calculate angles of depression
calculate angles of elevation
6
Who is the father of trigonometry?
Pierre de Fermat
Euclid
Archimedes
Hipparchus
7
Trigonometry
12/13
5/12
13/5
5/13
8
Trigonometry means....
Probably something math related
Angle measurement
Trigonometry
Triangle measurement
9
x and what are complimentary?
Sin(x - 3)
90 - x
z
Sin(Cos(Tan(Cot(Sec(Tan(1))))))
10
MATH: In trigonometry, tan is equal too _____/_____ (this is a fraction)
1/cos
sin/cos
cos/sin
1/sin
11
Trigonometry Application
45o
90o
75o
15o
12
Trigonometry
5/12
12/13
5/13
13/5
13
Where was trigonometry first discovered?
America
India
Australia
Africa
14
Which of the following trigonometric identities is true?
cosec2 θ = 1 + tan2θ
cos2 θ = 1 + cot2θ
cosec2 θ - 1=cot2θ
cot2 θ - 1=cosec2θ
15
what are the words used in Trigonometry?
ear, pin, cat,
Lion, Tiger
A, B, C ,D.
sin, tan, cos, and cot.
16
Sine and Cosine are complimentary (Co-functions)
False
True
17
What phrase to remember the trigonometry functions
SAH-COA-TOH
SOH-CAH-TAO
SOH-CAH-TOA
SCT-OHO-HHA
18
Trigonometry: Knowing that cos x = 3/5, what is sin x?
5/3
3/4
4/3
4/5
19
Which trigonometry strategy should you use for the following triangle?
Cosine Law
Sine Law
SOH CAH TOA
Pythagorean Theorem
20
How many trigonometric identities are there?
8
9
2
4
21
I use trigonometry to...
Find a missing angle when given angle and side
Find a missing angle when given sides
Find a missing side when given sides
Find a missing side when given side and angle
22
Trigonometric Identities
sin 2 x + cos 2 x = 1
1 + tan A = sec A
csc 2 x - cot 2 x = 1
tan 2 x + 1 = sec 2 x
23
What symbol is sometimes used in Trigonometry?
⧹
⩉
<
∆
24
Trigonometry is the branch of mathematics that studies....
how to measure circles inside of triangles.
relationships between the sides and angles of triangles.
triangles and quadrilaterals.
triangles and intersections of lines.
25
Trigonometry
5/12
5/13
13/5
12/13
