Establish the identity.(sin x)(tan x cos x - cot x cos x) = 1 - 2 cos 2 x
What will be an ideal response?
(sin x)(tan x cos x + cot x cos x) = sin x 
= sin 2 x - cos 2 x = sin 2 x + (cos 2 x - cos 2 x)- cos 2 x = (sin 2 x + cos 2 x) - cos 2 x - cos 2 x = 1 - 2 cos 2 x.
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Solve.Determine the total payment over the term of a home mortgage of $120,000 with a fixed APR of 4% for 25 years.
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Provide an appropriate response.True or False? There is high risk for investing money in U.S. Treasury bills.
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Summarize the four basic principles of ethical research, and provide an example of how each principle might be violated in a research study.
What will be an ideal response?