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Half Angle Formulas (2526105)
Current Score:
Question
0/20
Due:
Fri Jul 27 2012 12:00 PM CDT
1 2 3 4 5 6 7 8
0/3 0/3 0/3 0/3 0/3 0/3 0/1 0/1
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Points
1.
Total
0/3 points
SwokPreCalc12 6.4.007. [1780675]
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SwokPreCalc12 6.4.008. [1779695]
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SwokPreCalc12 6.4.011. [1779809]
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SwokPreCalc12 6.4.012. [1779811]
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Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given conditions.
sec θ = 5 ;
3
0° < θ < 90°
sin(θ/2) =
cos(θ/2) =
tan(θ/2) =
2.
0/3 points
Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given condition.
csc θ = − 5 ;
4
−90° < θ < 0°
sin(θ/2) =
cos(θ/2) =
tan(θ/2) =
3.
0/3 points
Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given condition.
5 tan θ = 5;
−180° < θ < −90°
sin(θ/2) =
cos(θ/2) =
tan(θ/2) =
4.
0/3 points
Find the exact values of sin(θ/2), cos(θ/2), and tan(θ/2) for the given conditions.
sec θ = −3;
180° < θ < 270°
http://www.webassign.net/v4cgisfzheng@missouristate/assignments/preview.tpl?aid=2526... 7/23/2012
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sin(θ/2) =
cos(θ/2) =
tan(θ/2) =
5.
0/3 points
SwokPreCalc12 6.4.015. [1780757]
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SwokPreCalc12 6.4.016. [1779968]
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SwokPreCalc12 6.4.019. [1781679]
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SwokPreCalc12 6.4.039. [1781503]
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Use half-angle formulas to find the exact values.
6.
(a)
cos 22°30'
(b)
sin 67°30'
(c)
tan
π
12
0/3 points
Use half-angle formulas to find the exact values.
7.
(a)
cos 157°30'
(b)
sin 165°
(c)
tan
π
8
0/1 points
Determine whether the equation is an identity.
16 sin x cos x = 4 sin x
2
2
Yes, it is an identity.
No, it is not an identity.
8.
0/1 points
Express in terms of the cosine function with exponent 1.
http://www.webassign.net/v4cgisfzheng@missouristate/assignments/preview.tpl?aid=2526... 7/23/2012
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cos4 θ
2
Assignment Details
http://www.webassign.net/v4cgisfzheng@missouristate/assignments/preview.tpl?aid=2526... 7/23/2012