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Chapter 16: Problem 56
For the data of Prob. \(16.55\), what is the arithmetic mean? a) \(68.5\) b) \(68.9\) c) \(69.3\) d) \(70.2\)
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Express \(2 \sin ^{2} \theta\) as a function of \(\cos 2 \theta\). a) \(\cos 2 \theta-1\) b) \(\cos 2 \theta+1\) c) \(\cos 2 \theta+2\) d) \(1-\cos 2 \theta\)
You reach into a jelly bean bag and grab one bean. If the bag contains 30 red, 25 orange, 15 pink, 10 green, and 5 black beans, the probability that you will get a black bean or a red bean is nearest to a) \(0.6\) b) \(0.5\) c) \(0.4\) d) \(0.3\)
The expression \(\tan \theta \sec \theta\left(1-\sin ^{2} \theta\right) / \cos \theta \operatorname{simplifies~to~}\) a) \(\sin \theta\) b) \(\cos \theta\) c) \(\tan \theta\) d) \(\sec \theta\)
Find \((1+i)^{6}\). a) \(1+i\) b) \(1-i\) c) \(8 i\) d) \(-8 i\)
Evaluate \(\int_{0}^{2}\left(e^{x}+\sin x\right) d x\) a) \(7.81\) b) \(6.21\) c) \(5.92\) d) \(5.61\)
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