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Inverse Trig Functions! Flashcards | StudBud
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Inverse Trig Functions!
Inverse Trig Functions!
20 terms
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Review of inverse trig functions on the coordinate plane #trigonometry #precalculus
Flashcards
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Questions
20
Answers
1
What is a value of θ (in degrees) of tan
-1
(1)?
90o
60o
45o
30o
2
In which quadrant is tan θ < 0 and cos θ > 0 ?
I
III
II
IV
3
Inverse trig functions allow us to find the ___________.
height
angle measure
ratio of sides
hypotenuse
4
What is a value of θ (in degrees) of cos
-1
(0)?
90o
30o
45o
60o
5
What is a value of θ (in degrees) where tan(θ)=√3?
90o
45o
30o
60o
6
In which quadrants is sine negative?
I & II
I & IV
II & III
III & IV
7
Which function is the reciprocal function to tangent?
cosine
cotangent
cosecant
secant
8
Which function is the reciprocal function of sine?
sine
secant
cosecant
cosine
9
In which quadrants is cosine negative?
II & III
I & IV
III & IV
I & II
10
In which quadrant is sinθ > 0 and cosθ > 0 ?
I
III
IV
II
11
What is the acronym we use to help us remember the basic trig functions?
SOH CAH TOA
SAH COH TOA
CAH SOH TOA
SOH COH TAO
12
Which function is the reciprocal function of cosine?
cosecant
sine
secant
cotangent
13
What is the value of θ (in degrees) of sin
-1
(1)?
60o
30o
90o
45o
14
What is a value of θ (in degrees) of sin
-1
(1/2)?
90o
30o
45o
60o
15
In which quadrant is secθ > 0 and sinθ > 0 ?
II
III
IV
I
16
What is a value of θ (in degrees) where tangent is undefined?
45o
60o
90o
30o
17
In which quadrants is tangent negative?
I & II
I & III
II & IV
II & III
18
Which of the following ratios is approximately 0.866?
(√3)/3
(√2)/2
√2
(√3)/2
19
Which of the following ratios is approximately 0.707?
(√2)/2
(√3)/3
(√3)/2
√2
20
What is the value of θ (in degrees) of cos
-1
(1/2)?
60o
45o
30o
90o
