Thursday

December 18, 2014

December 18, 2014

Posted by **Allessandra** on Saturday, December 17, 2011 at 12:23am.

I got -sec^2 / tan^2x, which is correct, but the answers said I could also simplify this to -cosec^2. How would you do that?

Thanks =)

- Math -
**Steve**, Saturday, December 17, 2011 at 5:50am-sec^2/tan^2 = -sec^2 * cos^2/sin^2 = -1/sin^2 = -csc^2

- Math -
**Steve**, Saturday, December 17, 2011 at 5:51amalso, just as

tan' = sec^2

cot' = -csc^2 as you proved

**Answer this Question**

**Related Questions**

Calculus - I think I have the correct answers for the following problems. For ...

Integration - Intergrate ¡ì sec^3(x) dx could anybody please check this answer. ...

Pre-Cal - Perform the addition or subtraction. tanx - sec^2x/tanx tan^2(x)/tan(x...

calculus - find dy/dx y=ln (secx + tanx) Let u= secx + tan x dy/dx= 1/u * du/dx ...

trigonometry (please double check this) - Solve the following trig equations. ...

GENRAL MATHS - PROVE THAT (1+COT A+TAN A)(SIN A-COS A)=SEC A\COSEC A-COSEC A\SEC...

calculus - Did I do this problem right? Find the first and second derative-...

Calculus - Int tanx sec^2x dx can be taken as (by putting it in form of Int xdx...

Calc - Hello im trying to integrate tan^3 dx i have solved out the whole thing ...

Calc - Hello im trying to integrate tan^3 dx i have solved out the whole thing ...