Write the expression in terms of sines and/or cosines, and then simplify.(cot ? + tan ?) sec ?

A. cos ? - sin ?
B.
C.
D.


Answer: D

Mathematics

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Translate the word statement into a percent proportion. Do not solve.What number is 132% of 21?

A.  = 
B.  = 
C.  = 
D.  =  

Mathematics

Give the equation of the horizontal asymptote, if any, of the function.f(x) = 

A. y =  
B. y = 3 
C. y = 0
D. none

Mathematics

Solve the problem.If an object is dropped from a tower, then the velocity, V (in feet per second), of the object after t seconds can be obtained by multiplying t by 32 and adding 10 to the result. Find V as a linear function of t, and use this function to evaluate V(7.5), the velocity of the object at time 

A. V(7.5) = 250 ft per sec B. V(7.5) = 251.3 ft per sec C. V(7.5) = 248 ft per sec D. V(7.5) = 249.3 ft per sec

Mathematics

Use synthetic division to find the quotient and remainder.(4x3 - 25x2 + 19x + 30) รท (x - 5)

A. -4x2 + 5x - 6 B. 4x2 - 5x + 19 C. 4x - 5 D. 4x2 - 5x - 6

Mathematics