Perform the indicated operations and simplify the result so there are no quotients.
- 
A. 1 + cot ?
B. sec ? csc ?
C. -2 tan2?
D. sin ? tan ?
Answer: C
Mathematics
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Use the half-angle formulas to evaluate the given function.cos 
A. 0.2588 B. 0.3660 C. 0.7934 D. 0.9659
Mathematics
Add or subtract. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Mathematics
Use an equation to solve the percent problem.10% of what number is 71?
A. 710 B. 71 C. 7.1 D. 7100
Mathematics
Give a verbal representation for the given function. f(x) = 3 x - 13 . Let y = f(x).
A. To obtain y: Multiply x by 13, then subtract 3 from the result. B. To obtain y: Subtract 13 from x, then multiply the result by 3. C. To obtain y: Divide x by 3, then subtract 13 from the result. D. To obtain y: Multiply x by 3, then subtract 13 from the result.
Mathematics