Question

3 cot 30° sin 54° sec36°​

Answer 1

Answer:

$3cot30 \times \frac{sin54}{cos36}$

$3 \times \sqrt{3} \times \frac{sin54}{cos(90 - 36)}$

$3 \sqrt{3} \times \frac{sin54}{sin \: 54}$

as sin theta=cos(90- theta)

$ans \: is \: 3 \sqrt{3}$