Provide an appropriate response.It can be shown that the inequalities -x ? x cos
? x hold for all values of x ? 0.Find 
x cos
if it exists.
A. 1
B. 0
C. does not exist
D. 0.0007
Answer: B
Mathematics
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Evaluate the expression by first changing the form. Verify the answer by use of a calculator. sin 
cos 
- cos 
sin 
A. 
B. 
C. 1
D. 
Mathematics
Add or subtract, as indicated. Assume that all variables represent positive real numbers.
+ 
A. 
B. 
C. 
D. 
Mathematics
Write an equation that expresses the relationship. Use k for the constant of proportionality.p varies directly as q and inversely as r.
A. p = 
B. p = 
C. pqr = k
D. p + q - r = k
Mathematics
Solve the equation on the interval 0 ? ? < 2?.sec ? = cos ?
A. {0, ?}
B. {0}
C. 
D. 
Mathematics