Really hard problem with cos rule

Really hard problem with cos rule

Postby kate » Fri Jul 04, 2008 2:09 pm

We have the triangle ABC with angle β = 60°, a + c = 11, where a and c are sides of the triangle and c is bigger than a, and the radius of the inscribed circumference is r = 2/√3. Find a, b, c and h - the height towards the side a.
kate
 
Posts: 91
Joined: Mon Apr 09, 2007 3:58 pm
Reputation: 2

Return to Trigonometry, Pythagoras' Theorem, Sine Rule, Cosine Rule



Who is online

Users browsing this forum: No registered users and 3 guests