Solve the equation on the interval 0 ? ? < 2?.sin ? = - - cos ?

A.
B.
C.
D.

Answer: B

Mathematics

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Expand, where i2 = -1.(1 + 3i)3

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Find the integral using tables of integrals.  

A.  + C
B.  + C
C.  + C
D.  + C

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Write an equation to describe the variation. Use k for the constant of proportionality.p varies directly as the square of q and inversely as the cube of r.

A. p + q2 - r3 = k
B. p = 
C. pq2r3 = k
D. p = 

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Estimate the value of the quantity.The velocity of a projectile fired straight into the air is given every half second. Use right endpoints to estimate the distance the projectile travelled in four seconds.

A. 459.4 m B. 439.8 m C. 879.6 m D. 918.8 m

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