In a triangle ABC with fixed base BC, the vertex A moves such that `cos B + cos C = 4 sin^(2) A//2`
If a, b and c denote the lengths of the sides of the triangle opposite to the angles A,B and C respectively, then

In a triangle ABC with fixed base BC, the vertex A moves such that cos B + cos C = 4sin A//2 . If a, b, and c denote the lengths of the sides of the triangle opposite to the angles A, B, and C, respectively, then

a triangle ABC with fixed base BC, the vertex A moves such that cos B+cos C=4sin^(2)(A)/(2). If a,b and c, denote the length of the sides of the triangle opposite to the angles A,B, and C, respectively,then b+c=4a(b)b+c=2a the locus of point A is an ellipse the locus of point A is a pair of straight lines

a triangle A B C with fixed base B C , the vertex A moves such that cosB+cosC=4sin^2(A/2)dot If a ,b and c , denote the length of the sides of the triangle opposite to the angles A , B and C , respectively, then (a) b+c=4a (b) b+c=2a (c) the locus of point A is an ellipse (d) the locus of point A is a pair of straight lines

a triangle A B C with fixed base B C , the vertex A moves such that cosB+cosC=4sin^2(A/2)dot If a ,b and c , denote the length of the sides of the triangle opposite to the angles A , B and C , respectively, then (a) b+c=4a (b) b+c=2a (c) the locus of point A is an ellipse (d) the locus of point A is a pair of straight lines

A triangle A B C with fixed base B C , the vertex A moves such that cosB+cosC=4sin^2(A/2)dot If a ,b and c , denote the length of the sides of the triangle opposite to the angles A , B ,a n dC , respectively, then (a) b+c=4a (b) b+c=2a (c)the locus of point A is an ellipse (d)the locus of point A is a pair of straight lines

A triangle A B C with fixed base B C , the vertex A moves such that cosB+cosC=4sin^2A/2dot If a ,ba n dc , denote the length of the sides of the triangle opposite to the angles A , B ,a n dC , respectively, then (a) b+c=4a (b) b+c=2a (c)the locus of point A is an ellipse (d)the locus of point A is a pair of straight lines

a triangle A B C with fixed base B C , the vertex A moves such that cosB+cosC=4sin^2(A/2)dot If a ,ba n dc , denote the length of the sides of the triangle opposite to the angles A , B ,a n dC , respectively, then (a) b+c=4a (b) b+c=2a (c) the locus of point A is an ellipse (d) the locus of point A is a pair of straight lines

In a triangle ABC with fixed base BC,the verte moves such that cos B+cos C=4sin^(2)((A)/(2)) then

In a triangle ABC with fixed base BC, the vertex A moves such that cos B+cosC=4sin^(2)A/2 . If a,b,c denote the lengths of the triangle opposite to the angles A,B and C respectively, then