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Trigonometry With Prince Mathsclinic Flashcards | StudBud
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Trigonometry With Prince Mathsclinic
Trigonometry With Prince Mathsclinic
20 terms
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1
For the triangle below, decide which trigonometric ratio (i.e. sin, cos or tan) you would use?
Cos
Sin
Nat
Tan
2
Basic Trigonometric Identity:
0
1
2
-1
3
If you have the angle and the adjacent side, you can use all trigonometric functions
except
(a)
Arc Tan
Sin
Tan
Cos
4
Find the value of the trigonometric ratio to the nearest ten-thousandth.
0.7500
0.6000
0.8000
1.6667
5
Trigonometric Identity. Which trigonometric function is the reciprocal of tanθ
cosθ
sinθ
secθ
cotθ
6
28. Write the trigonometric ratio for cosX
cosX=12/15=0.80
cosX=9/15=0.60
cosX=9/12=0.75
cosX=12/9≃1.33
7
The word trigonometry means “______________ _____________”.
Triangle Mathematics
Measure of sides and angles
Metric Triangle
Geometry Mathematics
8
Which are the correct trig ratios?
SOA COH TAH
SAH COA TOH
SOH CAH TOA
DO RE MI FA SO LA TI
9
What are the three ratios used in trigonometry?
sin, cos, tan
sos, can, tin
a2 + b2 = c2
10
Tan 0
o
= 0
False
True
11
Trigonometric Identity
d
b
a
c
12
For the triangle below, decide which trigonometric ratio (i.e. sin, cos or tan) you would use?
Cos
Nat
Sin
Tan
13
Trigonometric Identity. Which trigonometric function is the reciprocal of cotθ
tanθ
sinθ
cscθ
cosθ
14
Secant is the trigonometric reciprocal of _____________.
Sine
Cotangent
Tangent
Cosine
15
select the correct trigonometric ratio
cos37°=b/x
cos37°=a/x
cos37°=x/b
cos37°=x/a
16
If you have the angle and the hypotenuse, you can use all trigonometric functions
except
(a)
Tan
Sin
Cos
Arc Tan
17
Trigonometric Identity
a
d
c
b
18
Trigonometric Identity. Which trigonometric function is the reciprocal of cotθ
cscθ
tanθ
cosθ
sinθ
19
For the triangle below, decide which trigonometric ratio (i.e. sin, cos or tan) you would use?
Nat
Sin
Tan
Cos
20
Which is a trigonometric identity?
sec u = - sin (1/u)
tan2 u + cot 2 u = 1
cot u = 1/tan u
cot (pi/2 - u) = cot u