Prove the identity.tan 
= -cot x
What will be an ideal response?
tan 
= 
= 
= 
= -cot x.
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Solve the problem.The range R of a projectile is related to the initial velocity v and projection angle ? by the equation 
where g is a constant. How is 
related to 
and 
if neither v nor ? is constant?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.Write an equation in standard form of the parabola that has the same shape as the graph of f(x) = 11x2, but which has its vertex at (3, 9).
A. f(x) = 11(x - 3)2 + 9 B. f(x) = 11(x + 3)2 + 9 C. f(x) = 11(x + 9)2 + 3 D. f(x) = (11x + 3)2 + 9
Multiply and simplify.-6z ? 
A. 0 B. 36z C. 1 D. -1
Factor completely. If unfactorable, indicate that the polynomial is prime.x3 - 36x + 4x2 - 144
A. prime B. (x2 - 36)(x + 4) C. (x + 6)(x - 6)(x + 4) D. (x - 6)2(x + 4)