Find the exact value under the given conditions.cos ? = 
, 0 < ? < 
; sin ? = - 
, - 
< ? < 0Find tan(? + ?).
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.In an economics study, three quantities, m, p, and q, have been found to be related by the equation 
Find m, if 
and 
A. 9 B. 18 C. 324 D. 54
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. z = 0 B. x + y + z = 0 C. x + y = 0 D. x - y = 0
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Perform the division.(96x9y9 + 84x2y5 - 84x7y2) ÷ (12x2y2)
A. 8x9y9 + 7x2y5 - 7x7y2 B. 8x7y7 + 7y3 - 7x5 C. 96x7y7 + 84y3 - 84x5 D. 8x7y9 + 7y5 - 7x5y2
Mathematics
Using the variable x, write the interval using set-builder notation.[-4, 9)
A. {x| -4 < x ? 9} B. {x| -4 ? x ? 9} C. {x| x < 9} D. {x| -4 ? x < 9}
Mathematics