A tower subtends angles `alpha, 2alpha and 3alpha` respectively at points, A, B and C (all points lying on the same side on a horizontal line through the foot of the tower), then the value of `(AB)/(BC)` is equal to

A tower subtends angles alpha,2 alpha,3 alpha respectively,at point A,B, and C all lying on a horizontal line through the foot of the tower. Prove that (AB)/(BC)=1+2cos2 alpha.

A tower subtends angles alpha,2 alpha, 3 alpha respectively at points A,B and C all lying on a horizontal line through the foot of the tower, Then (AB)/(BC)=

A tower subtends angles alpha,2alpha,3alpha respectively, at point A , B ,a n dC all lying on a horizontal line through the foot of the tower. Prove that (A B)/(B C)=1+2cos2alphadot

A tower subtends angles alpha,2alpha,3alpha respectively, at point A , B ,a n dC all lying on a horizontal line through the foot of the tower. Prove that (A B)/(B C)=1+2cos2alphadot

A tower subtends angles alpha,2alpha,3alpha respectively, at point A , B ,a n dC all lying on a horizontal line through the foot of the tower. Prove that (A B)/(B C)=1+2cos2alphadot

A tower subtends angles alpha,2alpha,3alpha respectively, at point A , B ,a n dC all lying on a horizontal line through the foot of the tower. Prove that (A B)/(B C)=1+2cos2alphadot

A tower subtends angles, alpha, 2 alpha, 3 alpha respectively at points A, B and C all lying on a horizontal line through the foot of the tower. If 0 lt alpha lt (pi)/(6) and (AB)/(BC) = 8 cos^(2) alpha - 2k , then k = ____________

If a tower subtends angles theta, 2 theta and 3 theta at three points A,B,and C respectively, lying on the same side of a horizontal line through the foot of the tower, show that (AB)/(BC) (cot theta- cot 2 theta)/(cot 2 theta - cot 3 theta).

If a tower subtends angles theta, 2 theta and 3 theta at three points A,B,and C respectively, lying on the same side of a horizontal line through the foot of the tower, show that (AB)/(BC) (cot theta- cot 2 theta)/(cot 2 theta - cot 3 theta).

If a tower subtends angles theta, 2 theta and 3 theta at three points A,B,and C respectively, lying on the same side of a horizontal line through the foot of the tower, show that (AB)/(BC) (cot theta- cot 2 theta)/(cot 2 theta - cot 3 theta).