1.

The value of tan 20 × tan 40 × tan 80 isIt is related to Maths. Don't dare to report it or delete it.

Answer»

ANSWER:

As we know in the question there are 3 no , 20,40,80 which are related

40=(60–20),80= 60+20.

So we can write the equation as

TAN 20.tan(60–20).tan(60+20),

Which RESEMBLES tan A.tan (60-A).tan (60+A).= Tan(3A)

So answer is tan 60=√3



Discussion

No Comment Found

Related InterviewSolutions