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Trig Functions on the Unit Circle 1 Flashcards | StudBud
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Trig Functions on the Unit Circle 1
Trig Functions on the Unit Circle 1
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Review for assessment on Reciprocal Trigonometric Functions #math #trigonometry #unitcircle
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1
In order to find the sin(π/4), you must flip the ____________.
tan(π/4)
cos(π/4)
sin(π/4)
csc(π/4)
2
If the cos(5π/4) = -√(2)/2, then ________________.
the sec(5π/4) = -√(2)
the sin(5π/4) = -2/√(2)
the sec(5π/4) = -2/√(2)
the csc(5π/4) = -√(2)
3
To find tan(Ɵ), you must divide sin(Ɵ) by cos(Ɵ). To find the cot(Ɵ), you must ___________.
1 by tan(Ɵ)
1 by cot(Ɵ)
sin(Ɵ) by cos(Ɵ) also.
divide cos(Ɵ) by sin(Ɵ)
4
If the cos <A = 12/13, then the _________
sin <A = 13/12
tan <A = 13/12
sec <A = 13/12
cot <A = 13/12
5
The reciprocal function of tangent is:
tangerine
cosecant
secant
cotangent
6
If the csc <B = 5/4, then the __________.
sec <B = 4/5
sin <B = 5/4
sin <B = 4/5
cos <B = 4/5
7
If my answer to sin(5π/6) is 3/6, I should...
reduce it to 1/2
leave it
change it to the decimal 0.50
reduce it to 2
8
The reciprocal function of sine is:
cosecant
secant
cosine
cotangent
9
If my answer to sec(11π/6) is 2/√3, I should...
leave it
flip it to √3/2
Rationalize it to 2√3/3
change it to decimal form, equaling 1.15
10
In order to find the cot(5π/4), you must flip the ____________.
tan(4π/5)
tan(5π/4)
nothing... cot and tan are equal!
cot(4π/5)
11
The reciprocal function of cosine is:
sine
cosecant
cotangent
secant
12
If I'm looking for the function of an angle smaller than 0π (i.e. sin(-π)), I need to first...
add 2π to -π
multiple -π by 2π
subtract 2π from -π
divide -π by 2π
13
In order to find the sec(π/3), you must flip the ____________.
sin(π/3)
cos(π/3)
csc(π/3)
tan(π/3)
14
If I'm looking for the function of an angle larger than 2π (i.e. sin(3π)), I need to first...
subtract 2π from 3π
add 2π to 3π
divide 3π by 2π
multiple 3π by 2π
