Wednesday

April 1, 2015

April 1, 2015

Posted by **Blake** on Tuesday, January 8, 2013 at 2:44am.

- Math -
**Steve**, Tuesday, January 8, 2013 at 5:04am(cos2x+1)/cos2x / sin2x/cos2x

(cos2x+1)/sin2x

(2cos^2 x - 1 + 1)/(2sinx cosx)

2cos^2 x/(2sinx cosx)

cosx/sinx

cotx

**Answer this Question**

**Related Questions**

Math please help quick - Which of the following are identities? Check all that ...

math - cotx+tan2x=cotxsec2x prove

trigonometry - Prove: tan2x+sec2x = cosx+sinx/ cosx-sinx

math - sin2x-cotx = -cotxcos2x Using the various trigonometric identities(i.e. ...

Trig - Prove the following functions: (sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/...

Trig math - PLEASEE HELPPMEEE!!!! cot2x+sec2x=tan2x+csc2x and 1+2sinxcosx/sinx+...

Math - can you prove this equation for me? sin2x X sec2x = 2sinx

Math - 1)A piano tuner uses a tuning fork. If middle C has a frequency of 264 ...

trigonometry - Prove cotx-1/cotx+1=1-sin2x/cos2x

Math - Prove the identity csc^2x = 2sec2x / sec2x - 1 Sorry i really tried. I ...