## SugarRainbow 2 years ago did i do this right? (1/secx-1)-(1/sec+1)=tan^2x?

1. natalie135

I get: $2\cot ^{2}(x)$

2. natalie135

Since you have: $\frac{ 2 }{ (secx-1)(secx+1) }$

3. SugarRainbow

but your subtracting them how'd you get 2

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