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First Principle of Differentiation

Find h if α...

Question

Find h if $α = 60^{o}, β = 30^{o}$ and $x = 400$ m.

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Solution

$α = 60 β = 30 x = 400 h = \frac{x}{cot α + cot β} h = \frac{400}{cot 60 + cot 30} h = \frac{400}{\frac{1}{\sqrt{3}} + \sqrt{3}} h = 100 \sqrt{3}$

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