Monday

September 22, 2014

September 22, 2014

Posted by **Hannah** on Sunday, February 28, 2010 at 7:55pm.

tan x - sec^2 x / tan x

I do not know where to start.

- Pre-Cal -
**Reiny**, Sunday, February 28, 2010 at 8:07pmThe way you typed it ....

tan x - sec^2 x / tan x

= tanx - (1/cos^2x)(c0sx/sinx+

= tanx - 1/(sinxcosx)

= tanx - cscxsecx

- Pre-Cal -
**MathMate**, Sunday, February 28, 2010 at 11:42pmHannah,

if you continue by substituting sin and cos for the tan,csc and sec functions, you can simplify further. This will be left as an exercise for yourself.

**Answer this Question**

**Related Questions**

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

Trig - Use the fundamental identities to simplify the expression: cot beta sec ...

Trigonometry - Simplify each expression using the fundamental identities. 1. Sec...

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

Pre-Cal - Simplify the expression 1/tan^2x+1 tan^2x+1 = sec^2x = 1/sec^2x I am ...

pre calculus 2 - use the fundamental trig. Identities to simplify tan^4x+2tan^2x...

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

Pre-Cal - I'm trying to do this identities homework and i can't figure this one ...

Pre Cal - could someone please tell me what the other angle identity of tan is? ...

Pre-cal/Trig - (tan/(1+sec)) + ((1+sec)/tan) = 2csc (Show all work please.)