EXAM 1 MATH 112 REVIEW
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