Question

The value of tan 72° tan 18° is

(1) 0 (2) 1 (3) 18° (4) 72°​

Answer 1

Answer:

Option (2) is correct option.

Since tan72° = cot 18°

So,

tan18° × cot 18° = 1

Heart and brainlist please

Answer 2

Answer:

Tan(90°-72°)tan 18°= 18°