Use identities to rewrite the following expression as sin ?, cos ?, tan ?, csc ?, sec ?, or cot ?.
+ tan ?
A. cos ?
B. cot ?
C. sec ?
D. sin ?
Answer: C
Mathematics
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Provide the requested information about the circular function.What is the range of y = sec x?
A. (-?, -1] ? [1, ?) B. [-1, 1] C. (-?, -1) ? (1, ?) D. (-?, ?)
Mathematics
Write the requested fraction in lowest terms.51 minutes is what fraction of an hour?
A. 
B. 
C. 
D. 
Mathematics
Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 5x + 8 = 0
A. a repeated real solution B. two unequal real solutions C. two complex solutions that are conjugates of each other
Mathematics
Solve the equation and express the solution in exact form.log (5 + x) - log (x - 3) = log 5
A. 
B. 
C. ?
D. 
Mathematics