Complete the identity.The expression 
is to be the left hand side of an equation that is an identity. Which one of the following four expressions can be used as the right hand side of the equation to complete the identity?
A. tan2? - 1
B. cos ? sin ?
C. csc ? cot ?
D. sec ? cot ?
Answer: C
Mathematics
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Evaluate the integral.
dt
A. 5
B. 7 ln 5
C. 
- 
D. 35
Mathematics
Provide an appropriate response.Convert 88 ft/s to mi/h.
A. 65 B. 60 C. 55 D. 70 E. none of the above
Mathematics
Factor.x2 + 14x + 49
A. (x - 7)2 B. (x + 14)(x - 14) C. (x + 7)2 D. (x + 7)(x - 7)
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics