The angle of elevation of the top of the tower observed from each of the three points \[A,B,C\]on the ground, forming a triangle is the same angle \[\alpha \]. If R is the circum-radius of the triangle ABC, then the height of the tower is [EAMCET 1994]

The angle of elevation of the top of the tower observed from each of t

1.	The angle of elevation of the top of the tower observed from each of the three points \[A,B,C\]on the ground, forming a triangle is the same angle \[\alpha \]. If R is the circum-radius of the triangle ABC, then the height of the tower is [EAMCET 1994]
A.	\[R\sin \alpha \]
B.	\[R\cos \alpha \]
C.	\[R\cot \alpha \]
D.	\[R\tan \alpha \]
Answer» E.

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The angle of elevation of the top of the tower observed from each of the three points \[A,B,C\]on the ground, forming a triangle is the same angle \[\alpha \]. If R is the circum-radius of the triangle ABC, then the height of the tower is [EAMCET 1994]

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