Question

If the angle of elevation of sun is θ and the length of the shadow of a pole of length p is s, then

(a) p = s cos θ 

(b) p = s sin θ 

(c) \(p=\frac{s}{cot\,\theta}\)

(d) p = s cot θ

Answer 1

(c) \(\frac{p}{s}\) = tan θ ⇒ p = s tan θ = \(\frac{s}{cot\,\theta}\)