Convert the angle given in radian measure into degrees. Round to two decimal places if needed.
? radians
A. 940?°
B. 8°
C. 235°
D. 470°
Answer: D
Mathematics
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Use the basic identities to simplify the expression.(tan ? - sec ?)(tan ? + sec ?)
A. 0 B. -1 C. 1 D. tan2 ? + sec2 ?
Mathematics
Solve the problem.Mrs. Montoya installed 
-inch roofing shingles on top of a 
-inch vapor barrier. What was the combined thickness of the two materials?
A. 
inch
B. 
inch
C. 
inch
D. 
inch
Mathematics
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 3
B. 
C. 28p
D. 
Mathematics
Find the absolute value.
A. 
B. 0
C. ± 
D. - 
Mathematics