Show that the equation is not an identity by listing the value(s) of the variable from among 0, ?/4, ?/2, and - ?/4 for which the equation is false.(tan ? + 1)2 = sec2 ?
A. 
, 
, and - 
B. 
and - 
C. 
, 
, and 0
D. 
and 0
Answer: A
Mathematics
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Apply Green's Theorem to evaluate the integral.
(7y dx + 5y dy); C: The boundary of 0 ? x ? ?, 0 ? y ? sin x
A. -4 B. -2 C. 4 D. 0
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Find the slope of the line through the given points.(7, 8) and (1, 9)
A. m = 
B. m = - 
C. m = - 6
D. m = 
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Solve the system by using the inverse of the coefficient matrix.
A. (1, 1, 5, -1) B. (3, 0, 3, 0) C. (2, 2, 4, -2) D. (2, 1, 4, -1)
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Graph the inequality.x2 + y2 ? 9
A. 
B. 
C. 
D. 
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