Verify the identity.
= cot 
What will be an ideal response?
= 
= 
= cot 
Mathematics
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Solve the problem.The volume of a square pyramid is related to the length of a side of the base s and the height h by the formula 
How is dV/dt related to ds/dt if h is constant?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Evaluate the expression.
A. -4 B. 2 C. -3 D. -2
Mathematics
Find the mean.2.20, 19.04, 14.77, 12.38, 18.20, 4.25, 9.21, 2.08
A. 10.27 B. 9.13 C. 2.14 D. 8.86
Mathematics
Use the square root property to solve the quadratic equation.2x2 + 4x + 5 = 0
A. 
B. 
C. no real solution
D. 
Mathematics