Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? = 
, 0 < ? < 
Find sin 
.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find the length of the curve.The spiral r = e2?, 0 ? ? ? ?
A. 
(?2 - 1)
B. e4? - 
C. 
(e4? - 1)
D. 
(e2? - 1)
Mathematics
Use the square root property to solve the equation. (x - 6)2 = 16
A. {10} B. {2, 10} C. {-10} D. {-2, -10}
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 4xy2
B. 4x
C. 4x2
D. 4xy
Mathematics
Tell whether the expression is a polynomial. If it is, give its degree.-2?
A. polynomial, degree 0 B. polynomial, degree -2 C. polynomial, degree 1 D. not a polynomial
Mathematics