Use even and odd properties of the trigonometric functions to find the exact value of the expression.cot 
A. 0
B. undefined
C. -1
D. 1
Answer: A
Mathematics
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Evaluate the expression.71
A. 7
B. 1
C. -7
D. 
Mathematics
Use the discriminant to determine the number and type of solutions for the equation. If the solution(s) are real, state whether they are rational or irrational.t2 + 8t + 16 = 0
A. Two rational solutions B. Two irrational solutions C. Two nonreal complex solutions D. One rational solution
Mathematics
Write the first four terms of the binomial expansion.(x + 6)17
A. x17 - 102x16 + 4896x15 - 293,760x14 B. x17 + 102x16 + 4896x15 + 146,880x14 C. x17 + 102x16 + 4896x15 - 293,760x14 D. x17 - 102x16 + 4896x15 + 146,880x14
Mathematics
Solve the exponential equation below, and give the exact value for x.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics