SOLUTION: Verify the identity:
cot^3θ+1/cotθ+1 = csc^2 θ-cotθ
Which of the following shows the key steps in verifying the identity?
https://www.dropbox.com/s/l2q
Algebra.Com
Question 1103644: Verify the identity:
cot^3θ+1/cotθ+1 = csc^2 θ-cotθ
Which of the following shows the key steps in verifying the identity?
https://www.dropbox.com/s/l2q7ae6yt8knkbf/Screen%20Shot%202017-11-30%20at%209.27.44%20PM.png?dl=0
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
It is B.
Factor by sum of cubes and the second term of the trinomial has to be negative. None of the others had that and a positive constant in the third term.
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