Solve the equation on the interval 0 ? ? < 2?.cos2 ? - sin2 ? = 1 + sin ?

A.
B.
C.
D.

Answer: A

Mathematics

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Evaluate the integral.dx

A.  sin 3x +  sin3 3x + C
B. 7 sin 3x -  sin3 3x + C
C.  sin 3x -  cos3 3x + C
D.  sin 3x -  sin3 3x + C

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Mathematics

Find the value of d2y/dx2 at the point defined by the given value of t.x = t, y = , t = 1

A. - 
B. - 
C. - 
D.

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Mathematics

Find the limit.

A.
B. 2
C. 0
D.

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Mathematics

The following table relates an adult's body weight, in pounds, to his or her dosage of a certain medication, in milligrams.a. Use inductive reasoning to fill in the missing portions of the table.b. What would be the dosage of a person who weighs 375 pounds?

A. a.  

b. 134 mg

B. a. 

b. 113 mg

C. a. 

b. 120 mg

D. a. 

b. 127 mg

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Mathematics