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Sum and Difference Formulas (2526102)
Current Score:
0/18
Due:
Thu Jul 19 2012 12:00 PM CDT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
0/2 0/2 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1 0/1
Question
0/18
Points
1.
Total
0/2 points
SwokPreCalc12 6.3.005. [1781347]
-
SwokPreCalc12 6.3.006. [1780387]
-
SulPreCalc7 6.4.009. [362889]
-
Find the exact values.
2.
(a)
cos
π
π
+ cos
4
3
(b)
cos
7π
12
use
7π
π
π
=
+
12
4
3
0/2 points
Find the exact values.
3.
2π
7π
+ sin
3
4
(a)
sin
(b)
sin 29π
12
use 29π = 2π + 7π
12
3
4
0/1 points
Find the exact value of this trigonometric function.
none of these
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4.
0/1 points
Page 2 of 4
SulPreCalc7 6.4.013. [362697]
-
SulPreCalc7 6.4.019. [362740]
-
LarTrig7 2.4.040. [976754]
-
Find the exact value of this trigonometric function.
cos 165°
none of these
5.
0/1 points
Find the exact value of this trigonometric function.
6.
0/1 points
Find the exact value of the trigonometric function given that sin(u) = 5/13 and cos(v) = -4/5. (Both u and v are in Quadrant
II.)
sin(u − v)
16/65
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7.
Page 3 of 4
0/1 points
LarTrig7 2.4.038. [976809]
-
Find the exact value of the trigonometric function given that sin(u) = 5/13 and cos(v) = -4/5. (Both u and v are in Quadrant
II.)
cos(v − u)
8.
0/1 points
LarTrig7 2.4.050. [976805]
-
Find the exact value of the trigonometric function given that sin(u) = -15/17 and cos(v) = -4/5. (Both u and v are in
Quadrant III.)
cos(u − v)
9.
0/1 points
SwokPreCalc12 6.3.011. [1780961]
-
SwokPreCalc12 6.3.012. [1780513]
-
SwokPreCalc12 6.3.014. [1779693]
-
SwokPreCalc12 6.3.015. [1780082]
-
SwokPreCalc12 6.3.030. [1780306]
-
Express as a trigonometric function of one angle.
cos 58° cos 24° + sin 58° sin 24°
10.
0/1 points
Express as a trigonometric function of one angle.
cos 17° cos 46° − sin 17° sin 46°
11.
0/1 points
Express as a trigonometric function of one angle.
sin 56° cos 4° + cos 56° sin 4°
12.
0/1 points
Express as a trigonometric function of one angle.
cos 4 sin(−5) − cos 5 sin 4
13.
0/1 points
Is the reduction formula correct?
sin x + 5π
2
= cos x
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Yes
No
14.
0/1 points
SwokPreCalc12 6.3.034. [1780811]
-
SwokPreCalc12 6.3.041. [1779698]
-
SwokPreCalc12 6.3.045. [1780041]
-
Is the reduction formula correct?
cos x + π
2
= −sin x
Yes
No
15.
0/1 points
Determine if the identity is correct.
sin θ +
7π
4
=
2
2
(sin θ − cos θ)
Yes
No
16.
0/1 points
Determine if the identity is correct.
cos(u + v) + cos(u − v) = −2 cos u cos v
Yes
No
Assignment Details
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