Solve, finding all solutions in [0, 2?).4 sin2x = 4 cos x + 1

A.
B. No solution
C.
D.


Answer: A

Mathematics

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Answer the question. Give your answer in simplest form.For lunch, Jamie bought a 8-inch submarine sandwich. What fraction of a foot was Jamie's sandwich? (1 foot = 12 inches)

A.  ft
B.  ft
C.  ft
D.  ft

Mathematics

Use Bayes' rule to find the indicated probability.The incidence of a certain disease on the island of Tukow is 4%. A new test has been developed to diagnose the disease. Using this test, 91% of those who have the disease test positive while 4% of those who do not have the disease test positive (false positive). If a person tests positive, what is the probability that he or she actually has the disease?

A. 0.438 B. 0.487 C. 0.91 D. 0.856

Mathematics

The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(-5, 12)

A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
C. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 

Mathematics

Let and . Find

What will be an ideal response?

Mathematics