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Trigonometry Review
45º to radians
Hvem sine spor er dette?
Trigonometry Review
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1
Hvem sine spor er dette?
Gaupespor
Ivarspor
Bjørnespor
Jervespor
2
45º to radians
π/3
π/2
π/4
π/6
3
What is COtangent of theta?
5/3
5/4
3/4
4/3
4
What is the sine of B?
a/c
a/b
b/a
b/c
5
What would be the correct word for Cosecant, Secant, and Cotangent
CoaSahCoh
ChoShaCao
CohSahCoa
CahSahCoh
6
What is the secant of 7π/6
(2√3)/2
Please Stop
√3/2
12
7
What phrase to remember the trigonometry functions
SOH-CAH-TAO
SOH-CAH-TOA
SAH-COA-TOH
SCT-OHO-HHA
8
What is the cosine of angle "x"?
36/39
39/15
15/39
39/36
9
what is the leg formula for a 45-45-90 triangle?
Leg = hypotenuse * hypotenuse
Leg = hypotenuse / √2
Leg = hypotenuse * √2 / 2
none
10
Convert π/3 radians to degrees
30°
45°
60°
11
What is secant?
3/4
5/3
3/5
5/4
12
Find the cosecant value of the indicated angle, in fractions.
5/12
2.6
13/5
5/13
13
In the second quadrant, what sign does cosecant have?
Positive
Negative
14
Determine the sine of -11π/4
- √3 / 2
1/2
√2 / 2
- √2 / 2
15
300º to radians
7π/4
5π/6
4π/3
5π/3
16
In a 30-60-90 triangle the hypotenuse is twice the size of the small leg
FALSE
TRUE
17
What is the cotangent?
7 / 13√2
7 / 17
17 / 7
13√2 / 7
18
What trigonometry fact do we need to solve x?
45-45-90 triangle
30-60-90 triangle
sin 30 = o/h
tan 45 = o/a
19
The reciprocal of cotangent is...
tangent
cosecant
cosine
secant
20
Sketch a 30-60-90 triangle. If the hypotenuse is 8 feet, what is the shortest side length?
4 feet
16 feet
no feet
2 feet
21
360º to radians
2π
π/2
π
3π/2
22
What is the cosine of B?
4/3
3/5
4/5
3/4
23
Convert -2π/5 to degrees
-124°
-72°
-288°
