December 22, 2014

Homework Help: trignometry

Posted by gopi on Friday, December 28, 2012 at 4:09am.

tanx=1/1,tany=1/3 then cos2x=sin2y

Answer this Question

First Name:
School Subject:

Related Questions

advanced functions - Show that tanx = sinx / cosx can be written as tan(x+y...
adv functions - Show that tanx= (sinx/ cosx) can be written as: tan(x-y) = (tanx...
math - If tany(1+tanx)=1-tanx, show that dy/dx=-1
Math trignometry - how can you condense these cos^3x* cos2x^2 cos^3x+ cos2x^2 ...
Trigonometry - Prove: 1-tanx/1+tanx=1-sin2x/cos2x
Precal - show that: (1-tanx)/(1+tanx)= (1-sinx)/(cos2x)
Trig - If tanx = 2/3 tany = 1/2 then tan(x-y) = ?? a.7/4 b.7/6 c.1/8 d.8/6 which...
trigonometry - 1-tanx/1+tanx=1-sin2x/cos2x
Math please help quick - Which of the following are identities? Check all that ...
Trigonometry - Given that a^2+b^2=2 and that (a/b)= tan(45degee+x), find a and b...