CBSE Class 10 Answered
A round balloon of radius 'a' subtends an angle 'o' at the eye of the observer while the angle of elevation of its center is 'b'. Prove that the height of the center of the balloon is a sin b cosec o/2( NOTE:this division is only applicable for 'o').
Asked by | 07 Dec, 2012, 07:59: PM
Expert Answer
Answered by | 09 Dec, 2012, 11:30: AM
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