Q A round of balloon radius 'r' subtends an angle at the eye of the observer while the angle - Maths - Some Applications of Trigonometry

Question

Q A round of balloon radius 'r' subtends an angle at the eye of the
observer while the angle α of elevation of its centre is
ß Prove that the height Of the centre of the balloon is r sin
ß cosec α /2

Neha Sethi · Accepted Answer

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Q. A round of balloon radius 'r' subtends an angle at the eye of the observer while the angle α of elevation of its centre is ß. Prove that the height Of the centre of the balloon is r sin ß cosec α /2.

Q. A round of balloon radius 'r' subtends an angle at the eye of the observer while the angle $α$ of elevation of its centre is ß. Prove that the height Of the centre of the balloon is r sin ß cosec $α$ /2.