Perform the indicated operations and simplify the result so there are no quotients to complete the identity.
+ 
= ?
A. sin ? tan ?
B. sec ? csc ?
C. 1 + cot ?
D. -2 tan2?
Answer: B
Mathematics
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Decompose into partial fractions.
A. 2x - 5 + 
+ 
B. 2x + 5 + 
+ 
C. 2x - 5 - 
+ 
D. 2x + 5 - 
+ 
Mathematics
Divide and simplify.
÷ 
A. -2
B. -10
C. 
D. 2
Mathematics
Solve the problem.A motorcycle and a car leave an intersection at the same time. The motorcycle heads north at an average speed of 20 miles per hour, while the car heads east at an average speed of 48 miles per hour. Find an expression for their distance apart in miles at the end of t hours.
A. t
miles
B. 52
miles
C. 2t
miles
D. 52t miles
Mathematics
Use the given zero to find the remaining zeros of the function.f(x) = x4 - 32x2 - 144; zero: -2i
A. 2i, 6i, -6i B. 2i, 6, -6 C. 2i, 12, -12 D. 2i, 12i, -12i
Mathematics