Verify that the equation is an identity.
= cot ? - cot ?
What will be an ideal response?
= 
= 
- 
= 
- 
= cot ? - cot ?
Mathematics
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Find the angle between the planes.-7x - 2y - 6z = -5 and 4x + 2y - 9z = -2
A. 1.412 B. 1.337 C. 0.605 D. 0.234
Mathematics
Divide and simplify. Assume variables do not cause any denominators to equal 0.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve.If a volleyball player makes A kills in B attempts, her kill percentage is defined to be 
. Find the kill percentage of a player who made 4 kills in 16 attempts.
A. 4
B. 
C. 
D. 1
Mathematics
Determine whether the graph of the polynomial has y-axis symmetry, origin symmetry, or neither.f(x) = (x - 4)2(x2 - 25)
A. y-axis symmetry B. origin symmetry C. neither
Mathematics