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Question

Question: Which one of the following is correct?...

Which one of the following is correct?

A

tan 1 > tan– 1

B

tan 1 < tan–11

C

tan 1 = tan–1 1

D

None of these

Answer

tan 1 > tan– 1

Explanation

Solution

1 rad > 450 \ tan 1 > tan 450

̃ tan 1 > 1

Also tan–1(1) = π4\frac{\pi}{4}< 1,

Hence, tan 1 > tan– 1(1)