Find the fraction of a complete rotation that corresponds to the given angle. 30°
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the derivative.y = 
A. 10x9 cos (x5) B. -10x9 cos (x5) C. -sin (x5) D. 1 - cos (x5)
Mathematics
Determine whether the equation is quadratic.-4x2 + x = 7
A. No B. Yes
Mathematics
Factor the trinomial completely.x2 - x - 30
A. (x + 5)(x - 6) B. (x + 6)(x - 5) C. (x - 6)(x + 6) D. (x + 1)(x - 11)
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.csc ? = -
, cos ? > 0Find cos 
.
A. 
B. - 
C. 
D. - 
Mathematics