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

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