Establish the identity.sin
= 
(cos x + sin x)
What will be an ideal response?
sin 
= sin 
cos x + sin x cos 
= 
(cos x + sin x).
Mathematics
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Simplify.
A. 43,300 B. 41,300 C. 52,300 D. 42,300
Mathematics
Use a formula to solve the problem.A water reservoir is shaped like a rectangular solid with a base that is 7 meters by 2 meters, and a vertical height of 3 meters. How much water is in the reservoir if it is completely full?
A. 18 m3 B. 28 m3 C. 42 m3 D. 147 m3
Mathematics
Find fx.f(x, y) = y ln (6x + 8y)
A. fx(x, y) = y ln (6x + 8y)
B. fx(x, y) = ln (6x + 8y) + 
C. fx(x, y) = 
D. fx(x, y) = 
Mathematics
Solve the quadratic equation in the complex number system by completing the square.x2 = -14x - 54
A. {7 - i
, 7 + i
}
B. {-7 - 
, -7 + 
}
C. {-7 - 5i, -7 + 5i}
D. {-7 - i
, -7 + i
}
Mathematics