SOLUTION: Hello, I'm having a hard time with this problem in trig: 2tanx - (1 + tanx)^2 I don't understand whether I have to distribute the negative to the parenthesis or write th

Question 939159: Hello,
I'm having a hard time with this problem in trig:
2tanx - (1 + tanx)^2
I don't understand whether I have to distribute the negative to the parenthesis or write the parenthesis twice then foil? If someone could help me though the problem that would be great!
Thank you in advance!
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
2tanx - (1 + 2tanx + tan^2x) = -1 - tan^2x
....
Re TY
Yes, Good Work.
-(1+tan^2 (x)) = -sec^2(x)
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