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RIGHT TRIANGLE TRIGONOMETRY Flashcards | StudBud
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RIGHT TRIANGLE TRIGONOMETRY
RIGHT TRIANGLE TRIGONOMETRY
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1
Choose trigonometric function.
4) none
1) sin alfa
2) cos alfa
3) tan alfa
2
Which cases will be solved by law of cosine
SSS and SAS
ASA and SSA
AAS,SSS, SAS
SSS, SSA, ASA
3
The word trigonometry means “______________ _____________”.
Metric Triangle
Geometry, Part 2
Triangle Measure
<p>Triangle Mathematics</p>
4
This is a 45-45-90 triangle. (Right Triangle Trigonometry Unit)
False
True
5
Should you use Law of Sines or Law of Cosines?
Sines
Cosines
6
In right triangle trigonometry, tanθ = ?
opp/hyp
adj/opp
hyp/adj
opp/adj
7
select the correct trigonometric ratio
cos37°=b/x
cos37°=x/b
cos37°=a/x
cos37°=x/a
8
Find the value of each trigonometric ratio.
4:5
4:3
3:4
3:5
9
Trigonometric Identity. Which trigonometric function is the reciprocal of cotθ
cscθ
cosθ
tanθ
sinθ
10
Is cosine an odd or even function?
even
odd
11
Secant is the trigonometric reciprocal of _____________.
Cotangent
Cosine
Sine
Tangent
12
8-3 Right Triangle Trigonometry. Find cos T
8 / 15
15 / 17
17 / 8
15 / 17
13
Right triangle trigonometry is used to
none of these
finding the measure of all of the angles
finding the measure of an exterior angle
find a missing side in a right triangle
14
Trigonometric Identity. Which trigonometric function is the reciprocal of sinθ
cosθ
cscθ
sinθ
secθ
15
Even and odd trigonometric functions: sin(-x)=
cosx
sinx-1
1+sinx
-sinx
16
Trigonometric Identity. Which trigonometric function is the reciprocal of tanθ
secθ
cotθ
cosθ
sinθ
17
In right triangle trigonometry sinθ = ?
opp/hyp
hyp/opp
adj/hyp
opp/adj
18
Inverse Trigonometry
45.7
43.9
44.3
46.2
19
Trigonometric Identity. Which trigonometric function is the reciprocal of cscθ
cosθ
secθ
sinθ
cotθ
20
Solve for x using right triangle trigonometry.
28.98
10.89
12.99
14.97
21
What are the Right Triangle Trigonometry RATIOS?
Opposite, Inverse, Perpendicular
Sine, Cosine, Tangent
Opposite, Adjacent, Hypotenuse
Amplitude, Frequency, Period
22
Law of Cosine
a=1/2(a)(b)Sin(c)
a^2=b^2+c^2-2bcCosA
a/sinA=b/SinB=c/SinC
1/2 (πr2 )
23
Use right triangle trigonometry to find x
\frac{5}{2}
\frac{5\sqrt{2}}{2}
5\sqrt{2}
5
24
Find area of oblique triangle if a=7, b=6, c=5
42.3
5.7
74.1
14.7
