![A stationary balloon is observed from 3 points A, B and C on the plane ground and is found that its angle of elevation from each point is alpha . If ABC = A stationary balloon is observed from 3 points A, B and C on the plane ground and is found that its angle of elevation from each point is alpha . If ABC =](https://dwes9vv9u0550.cloudfront.net/images/4976662/befe6e71-9e78-45ad-826e-dbaadf23e62d.jpg)
A stationary balloon is observed from 3 points A, B and C on the plane ground and is found that its angle of elevation from each point is alpha . If ABC =
![If tanbeta = 2sinalpha·singamma· co sec(alpha + gamma) , then cotalpha , cotbeta and cotgamma are in If tanbeta = 2sinalpha·singamma· co sec(alpha + gamma) , then cotalpha , cotbeta and cotgamma are in](https://dwes9vv9u0550.cloudfront.net/images/2033244/402db28b-489f-4682-9bac-7831f76041f1.jpg)
If tanbeta = 2sinalpha·singamma· co sec(alpha + gamma) , then cotalpha , cotbeta and cotgamma are in
![A stationary balloon is observed from 3 points A, B and C on the plane ground and is found that its angle of elevation from each point is alpha . If ABC = A stationary balloon is observed from 3 points A, B and C on the plane ground and is found that its angle of elevation from each point is alpha . If ABC =](https://dwes9vv9u0550.cloudfront.net/images/4648107/ea8e56d4-d9c4-4154-a46a-61b7c1f6fdaa.jpg)
A stationary balloon is observed from 3 points A, B and C on the plane ground and is found that its angle of elevation from each point is alpha . If ABC =
![If (tanalpha+tanbeta)/(cot alpha+cot beta)+{cos(alpha-beta)+1}^(-1)=1, then tan alpha tan beta is equal to If (tanalpha+tanbeta)/(cot alpha+cot beta)+{cos(alpha-beta)+1}^(-1)=1, then tan alpha tan beta is equal to](https://d10lpgp6xz60nq.cloudfront.net/ss/web/1430712.jpg)