Verify that the equation is an identity.cot(x + y) cot(x - y) = 
What will be an ideal response?
cot ( x + y) cot (x - y) = 
? 
= 
.
Mathematics
You might also like to view...
Subtract.14 - (-21)
A. -35 B. 35 C. 7 D. -7
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the moment about the x-axis of a wire of constant density that lies along the first-quadrant portion of the circle x2 + y2 = 9.
A. 3
B. 
C. 
D. 9
Mathematics
Simplify the expression.17 + (-15) - (-7)
A. 9 B. 25 C. -9 D. -5
Mathematics
Use the Distributive Property to remove the parentheses.4(r + k)
A. 4rk B. 4r + 4k C. 4r - 4k D. 4r + k
Mathematics