SOLUTION: Vertify the identity cosx(cosx+cotx)=(cotx.cosx)(sinx+1)

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Question 401041: Vertify the identity
cosx(cosx+cotx)=(cotx.cosx)(sinx+1)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
cosx(cosx+cotx)=(cotx.cosx)(sinx+1)
cos^2 + sin = (cos^2/sin)(sin + 1) = cos^2 + cos^2/sin
sin = cos^2/sin
sin^2 = cos^2
Not an identity.
Maybe cotx.cosx doesn't mean multiply?