Write the function in terms of a function of the reference angle.sin 
A. -sin 
B. sin 
C. sin 
D. -sin 
Answer: A
Mathematics
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Solve the problem.To solve the rational inequality 
? 2, you can first write the inequality with 0 on one side and the other side expressed as a single fraction. What value or values of x make the numerator of that fraction equal to 0?
A. {2} B. {-2} C. {2, 3} D. {3}
Mathematics
Solve the equation. Express radicals in simplest form.x2 = 
A. 
B. 
C. 
D. 
Mathematics
Graph the function. Show at least one period.y = -4 cos(?x + 5)
A. 
B. 
C. 
D. 
Mathematics
Write the fraction.According to a recent study, 10 out of 15 visits to a hospital emergency room were for an injury. What fraction of emergency room visits are NOT injury-related?
A. 
B. 
C. 
D. 
Mathematics