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please solve these questions

Asked by www1028 31st August 2009, 6:30 PM
Answered by Expert
Answer:

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.

Answered by Expert 1st September 2009, 11:07 AM
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