Establish the identity.cos
= -sin ?
What will be an ideal response?
cos 
= cos 
cos ? + sin 
sin ? = 0 ? cos ? - 1 ? sin ? = - sin ?
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Provide an appropriate response.Suppose that a data set has a mean of 100 and a standard deviation of 5. If a positive number k is added to every item of the data set, how will this affect the mean and the standard deviation?
What will be an ideal response?
CompUSA's decline illustrates the point that
A. competitive advantage is a myth. B. success can be transitory. C. it is impossible to compete against Walmart. D. a company's brand and its financial performance are indistinguishable.
For the given functions f and g , find the indicated composition.f(x) = 8x2 - 2x,g(x) = 18x - 5(f?g)(8)
A. 154,290 B. 8923 C. 68,944 D. 145,367
Find the mean.9.6, 10.3, 7.5, 10.3, 7.3
A. 10.3 B. 9.6 C. 9 D. 7.5