Sunday

December 21, 2014

December 21, 2014

Posted by **Marie** on Friday, August 3, 2012 at 3:31pm.

If you explain, that would be great (:

- Trigonometry -
**Steve**, Friday, August 3, 2012 at 3:50pm(1+tan)/(1-tan)

multiply top and bottom by 1+tan

(1+tan)^2 / (1-tan)(1+tan)

(1 + 2tan + tan^2)/(1-tan^2)

now, since sec^2 = 1+tan^2,

(sec^2 + 2tan)/(1-tan^2)

**Answer this Question**

**Related Questions**

trig - h t t p : / / i m g 4 0 . i m a g e s h a c k . u s / c o n t e n t . p h...

math - I have a question I have been working on since yesterday and I am not ...

I dont think drawing a picture will help me drwls - Which expression is ...

Maths- complex numbers - Find tan(3 theta) in terms of tan theta Use the formula...

calculus - I need to prove that the following equation is an identity: (1 + tan(...

trig - If sin theta is equal to 5/13 and theta is an angle in quadrant II find ...

Calculus - I wanted to confirm that I solved these problems correctly (we had to...

Trigonometry - Prove that 1/sin theta-tan theta and - 1/cos theta = 1/cos theta ...

Precalculus check answers help! - 1.) Find an expression equivalent to sec theta...

Precalculus check answers help! - 1.) Find an expression equivalent to sec theta...