Question

Evaluate:2tan80÷3cot10

Answer 1

Hi friend!!

Given

2tan80/3cot10

=2tan(90-10)/3cot10

We know that tan(90-A)=cotA

=2cot10/3cot10

=2/3

I hope this will help you;)

Answer 2

Answer:

2 tan 80° / 3 cot 10° = 2 cot (90-80) 3cot10

= 2 cot 10/ 3 cot 10

cot 10 cancelled

= 2/3