Prove the identity.sin3 x cos2 x = sin x (cos2 x - cos4 x)
What will be an ideal response?
sin3 x cos2 x = sin x (1 - cos2 x) (cos2 x) = sin x (cos2 x - cos4 x).
Mathematics
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Find an equation for the line tangent to the curve at the point defined by the given value of t.x = sin t, y = 9 sin t, t = 
A. y = -9x + 9
B. y = 9x
C. y = 9x - 9
D. y = 9x + 
Mathematics
Provide an appropriate response.Murry, a retailer, marks up hardware 28% on the selling price. If an electric saw costs $324.00, the selling price would be $414.72.
A. True B. False
Mathematics
Write the equation with rectangular coordinates.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the solutions to the system of equations by the addition method.
x + 
y = 1
x - 
y = 3
A. (7, -4) B. (-8, -3) C. (7, -3) D. (8, -4)
Mathematics