The angle of elevation of the top of a hill from a point is - After walking b meters towards the top up a slope inclined at an angle - to the horizontal- the angle of elevation of the top becomes - Then the height of the hill is

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Trigonometric Ratios of Compound Angles

The angle of ...

Question

The angle of elevation of the top of a hill from a point is $α$ . After walking $b$ meters towards the top up a slope inclined at an angle $β$ to the horizontal, the angle of elevation of the top becomes $γ$ . Then the height of the hill is

\frac{b sin α sin (γ - β)}{sin (γ - β)}

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\frac{b sin α sin (γ - α)}{sin (γ - β)}

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\frac{b sin (γ - α)}{sin (γ - β)}

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\frac{b sin (γ - β)}{sin (γ - α)}

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