Intro To Trig Function Question Preview (ID: 20146)


Getting To Know Basic Concepts And Terms Of Trigonometric Functions. TEACHERS: click here for quick copy question ID numbers.

In which quadrant will sin(pi/4) lie?
a) Quadrant I
b) Quadant II
c) Quadrant III
d) Quadrant IV

In which quadrant will cos(19pi/6) lie?
a) Quadrant 1
b) Quadrant II
c) Quadrant III
d) Quadrant IV

In which quadrant will cos(-8pi/3) lie?
a) Quadrant I
b) Quadrant II
c) Quadrant III
d) Quadrant IV

True or False. Because sin(-t) = - sint, it can be said that the sine of a negative angle is a negative number.
a) True
b) False
c)
d)

If two angles have the same initial and terminal sides, the angels are said to be ________.
a) Equal
b) Supplementary
c) Complementary
d) Coterminal

The cofunction of sine is _____________
a) cosine
b) cosecant
c) secant
d) cotangent

The reciprocal of cosine is ____________
a) sine
b) secant
c) cosecant
d) tangent

True or False. All trigonometric functions are periodic.
a) True
b) False
c)
d)

The reciprocal of secant is ________________
a) Sine
b) Cosine
c) Tanagent
d) Cosecant

The angles (pi/6) and (-11pi/6) are ___________
a) Equal
b) Complementary
c) Supplementary
d) Coterminal

Let t be an angle in standard position. The acute angle formed by the terminal side of t and the horizontal axis is called its _________.
a) Complement
b) Supplement
c) Reference Angle
d) Reciproca Angle

True or False. The Sine function is positive in the second quadrant.
a) True
b) False
c)
d)

True or False. The cosine function is negative in the fourth quadrant.
a) True
b) False
c)
d)

The tangent function is ________ in the third quadrant.
a) Negative
b) Positive
c) Undefined
d)

The cosecant function is______________in the second quadrant
a) Negative
b) Positive
c) Undefined
d)

tan(pi/2)=__________
a) 0
b) 1
c) -1
d) undefined

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