If ∝ + ß = 90° and ∝ : ß = 2 : 1 ; then tan∝ : tanß is equal to:
Answer & explanation
Correct answer: option 3
∝ : ß = 2 : 1 ⇒ ∝ + ß = 90°
2x + x = 90
3x = 90 ⇒ x = 30°
Angles are ⇒ 60°, 30°
Therefore,
⇒ tan∝ : tanß = tan60° : tan30°
= \(\sqrt {3 }\) : \(\frac{1}{\sqrt {3}}\)
= 3 : 1