Ask Me Help Desk
>
Education
>
Homework Help
>
Math & Sciences
> How to verify trigonometric identities solver
PDA
View Full Version :
How to verify trigonometric identities solver
jakemcnl
Oct 25, 2012, 03:30 PM
((1-tan^2(t))/(1+tan^2(t)))=2*cos^2(t)-1 verify the identitiy
retina111
Oct 28, 2012, 07:18 AM
Start by substituting tan t = sin t/ cos t
we get (cos^2(t) - sin^2(t)) / (cos^2(t) + sin^2(t))
sin^2(t) + cos^2 (t) = 1
solve it, you'll get the answer.