EXAM 1 MATH 112 REVIEW

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evaluate tan-1(tan(-2π/11))

-2π/11

Find the exact value of csc(-π/3)

-2√3/3

Let the point (12,-5) be on the terminal side of a circle that corresponds to Θ. Find sin (Θ)

-5/13

Evaluate tan-1(tan(11π/12))

-π/12

evaluate sin-1 (-√2/2)

-π/4

evaluate sin−1(-1/2)

-π/6

cos(-3π/4)?

-√2/2

if sec(Θ)=-2 and tan>0 find sin(Θ)

-√3/2

if sin(Θ)=2/3 & π/2<Θ<π, find cos

-√5/9

Find the exact value of cot(20°)-cos20°/sin20°

0

Find the exact value of tan(21π)

0

evaluate cos−1(1)

0

find the exact value of cos(-270°)

0

find the exact value of cos(420°)

1/2

Convert 200° to radians

10π/9

Express 129.76° as degrees,minutes, and seconds

129°45'36''

How far does the tip of an 8 inch minute hand move in 20 minutes? Round to 2 decimal places.

16.76 inches

A complete circles is =_____ radians

2pi

Find the exact value of sec (-π/6)

2√3/3

Convert 3π/10 to degrees

54°

Evaluate cos-1(sin(5π/3))

5π/6

evaluate cos-1(-√3/2)

5π/6

1 degree = ____ minutes?

60 mins

1 minute = _____ seconds

60 seconds

Evaluate tan(sin-1(sin8/9))

8√17/17

Express 98°33'24" as decimal degrees (3 decimal places)

98.557°

Find the exact value of csc(450°)

=1

Find the exact value of sec²(18°)-tan²(18°)

=1

Question 17 continued

F(x)=-sin(x)

True or false? The point (5π/3, 1/2) is on the graph y=cos Θ

TRRUUUU

Evaluate tan(cos-1(0))

UNDEFINED

Find the exact value of sec(17π/2)

UNDEFINED

if sec(Θ)=-2 and tan(Θ)> 0 find cos(Θ)

cos(Θ)=-1/2

Question 35 continued

f(x)=2cos(3x+π/2)

15 continued

f(x)=3.5cos(x), g(x)=0.5cos(x)

Question 21 continued

f(x)=cos(4x)

Question 23 continued

f(x)=sin(1/2x)

what does 2π/|B| represent

period

Graph 2 periods of f(x)=-3sin(x)+1

see 5.4 activity 2

Graph 2 periods of f(x)=2cos(1/4x)-1

see 5.4 activity 2

question 19 continued

solid line= g(x) dashed line =f(x)

evaluate cos(sin-1(-1/2))

√3/2

Let the point (-√5/3 , -2/3) be on a circle that corresponds to Θ. Find cot (Θ).

√5/2


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