Wednesday
April 16, 2014

Homework Help: Trigonometry

Posted by Shin on Tuesday, May 21, 2013 at 11:45am.

Γ is the circumcircle of triangle ABC with radius 12√2. If 9cos(∠B+∠C)cos∠A=−1, what is the value of BC?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

math - Equilateral triangle ABC has a circumcircle Γ with center O and ...
mahts - Equilateral triangle ABC has a circumcircle Γ with center O and ...
geometry!!!!!! - ABC is an isosceles triangle with AB = BC. The circumcircle of ...
Geometry - ABC is a triangle with area equal to 20 . The incircle of triangle ...
math - Two congruent circles Γ1 and Γ2 each have radius 213, and the ...
Math - Γ 1 is a circle with center O 1 and radius R 1 , Γ 2 is a ...
Geometry - In my book there's a picture of an equalderal triangle. This is given...
math - Let AB be the diameter of circle Γ1. In the interior of Γ1, ...
Math - Let AB be the diameter of circle Γ1. In the interior of Γ1, ...
geometry - Outside of circle Γ, point A is chosen. Tangents AB and AC to &#...

Search
Members