Mon August 31, 2009 By: Navjot

please solve these questions

Expert Reply
Tue September 01, 2009

a) if sinA :cosA ::8:15, find sinA and cosA.

sinA /cosA =8/15,
tan A =8/15 So Oposite side/Adjacent side =8/15 i.e Oposite side =8k Adjacent side =15 k and hypotenuse =17 k for some integer k
So Sin A = 8/17 cos A = 15/17

 Please do not post  multiple  questions in a query.  post each question individually and let us know where you are getting stuck so that we would be able to explain things better.

Home Work Help