1.

Tan inverse (tan 3π/4)​

Answer»

Answer:

3pi/4 can be written as pi+pi/4

And pi+pi/4 comes in third quadrant where TANX is POSITIVE.

So above eqn. BECOMES tan inverse (tan pi/4)

Which is EQUAL to pi/4.

As tan inverse(tanx) is X under its principle values.

Hope you get your answer.



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