Mathematics · Question Bank
Trigonometry
84 questions · page 1 of 5. Answer in your head first, then check the solution.
#1
The angle between 90 degrees and 180 degrees has
Anegative cotangent and cosecant
Bnegative sine and tangent
Cnegative secant and tangent
Dnegative sine and cosine
#2
It is defined as the angle subtended by a circular arc whose length is equal to the radius of the circle.
#3
In what quadrant does an angle terminate if its cosine and tangent are both negative?
Afirst
Bsecond
Cthird
Dfourth
#4
It is an angular unit that is equal to 1/6400 of four right angles.
#5
If the value of sin A is a negative fraction, then angle A terminates in
Aquadrants II and III
Bquadrants III and IV
Cquadrants I and III
Dquadrants II and IV
#6
The secant is the cofunction of
Asine
Bcosine
Ccotangent
Dcosecant
#7
Which of the following is an undirected distance?
AThe distance of a point from the x-axis.
BThe distance of a point from the y-axis.
CThe distance of a point from the origin.
DThe distance of a point from a line.
#8
Which of the following systems of angle measurements uses the degree as the unit of measure?
Acircular system
Bsexagesimal system
Cmil system
Dgrade system
#9
In what quadrant will angle A terminate if sec A is positive and csc A is negative.
#10
To find the interior angles of a triangle whose sides are given, use the law of
Asine
Bcosine
Ctangent
Dsecant
#11
Which of the following relations is true for any angle θ?
Asin(-θ) = sin θ
Btan(-θ) = tan θ
Csec(-θ) = sec θ
Dcsc(-θ) = csc θ
#12
Coversine A is equal to
A1 - cosA
B1 + cosA
C1 - sin A
D1 + sin A
#13
An angle in standard position and whose terminal side falls along one of the coordinate axes is called a
Areference angle
Bquadrantal angle
Cvertical angle
Dcentral angle
#14
If tan θ > 0 and cosθ < 0, then θ is a
Afirst quadrant angle
Bthird quadrant angle
Csecond quadrant angle
Dfourth quadrant angle
#15
In the second quadrant, which of the following is true?
AThe tangent and secant are positive
BThe sine and cosecant are positive
CThe cotangent and cosecant are positive
DThe sine and tangent are positive
#16
A spherical triangle which contains at least one side equal to a right angle is called
Aa right triangle
Ban isosceles triangle
Ca polar triangle
Da quadrantal triangle
#17
The point on the celestial sphere directly above the observer is called the
Azenith
Bnadir
Cpole
Dazimuth
#18
The small circle parallel to the equator is called the
Aequinox
Bparallel of latitude
Cmeridian
Dhorizon
#19
The point on the celestial sphere diametrically opposite the zenith is called the
Asouth pole
Bnadir
Cazimuth
Dnorth pole
#20
It is the angular distance of a heavenly body from the celestial equator.
Adeclination
Baltitude
Clatitude
Dcolatitude