![If `alpha` and `beta` are acute angles and `cot alpha=1/4` and `cot beta=5/3`. prove that `alp... - YouTube If `alpha` and `beta` are acute angles and `cot alpha=1/4` and `cot beta=5/3`. prove that `alp... - YouTube](https://i.ytimg.com/vi/5hxpn40bgvI/maxresdefault.jpg)
If `alpha` and `beta` are acute angles and `cot alpha=1/4` and `cot beta=5/3`. prove that `alp... - YouTube
![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 =
![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 the points a(cos alpha + i sin alpha) , b(cos beta + i sin beta) and c(cos gamma + isin gamma) are collinear then the value of |z| is: ( where If the points a(cos alpha + i sin alpha) , b(cos beta + i sin beta) and c(cos gamma + isin gamma) are collinear then the value of |z| is: ( where](https://dwes9vv9u0550.cloudfront.net/images/9602233/77dbd3b3-e872-4396-81ed-513e43baa4be.jpg)