# Intro To Trig Function: Question Preview (ID: 20146)

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**True or False. The cosine function is negative in the fourth quadrant.**

a) True

b) False

c)

d)

**True or False. The Sine function is positive in the second quadrant.**

a) True

b) False

c)

d)

**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

**The angles (pi/6) and (-11pi/6) are ___________**

a) Equal

b) Complementary

c) Supplementary

d) Coterminal

**The reciprocal of secant is ________________**

a) Sine

b) Cosine

c) Tanagent

d) Cosecant

**True or False. All trigonometric functions are periodic.**

a) True

b) False

c)

d)

**The reciprocal of cosine is ____________**

a) sine

b) secant

c) cosecant

d) tangent

**The cofunction of sine is _____________**

a) cosine

b) cosecant

c) secant

d) cotangent

**If two angles have the same initial and terminal sides, the angels are said to be ________.**

a) Equal

b) Supplementary

c) Complementary

d) Coterminal

**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)

**In which quadrant will cos(-8pi/3) lie?**

a) Quadrant I

b) Quadrant 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 sin(pi/4) lie?**

a) Quadrant I

b) Quadant II

c) Quadrant III

d) Quadrant IV

**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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