Complete the identity.sin2 x + sin2 x cot2 x = ?
A. cot2 x + 1
B. sin2 x + 1
C. cot2 x - 1
D. 1
Answer: D
Mathematics
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Provide an appropriate response.The polynomial -19m7 is called a 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use a calculator to give the value to the nearest degree.? = sin-1(0.6561)
A. 41° B. 39° C. 44° D. -41°
Mathematics
Solve the equation.
+ 
= 2
A. {2} B. {16} C. {1} D. {0}
Mathematics
Solve the problem.The radius r of a plastic tube used in manufacturing a child's toy must not differ from the standard s by more than 2 millimeters. The manufacturing engineers express this as 
Find the limits of r if the standard s is 33.
A. 29 ? r ? 31 B. r ? 29 or r ? 31 C. r ? 31 or r ? 35 D. 31 ? r ? 35
Mathematics