Question

Evaluate tan 13 π/12​

Answer 1

Answer:

0

Step-by-step explanation:

0 is. the answer hope this helps

Answer 2

Answer:

Solution



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tan1213π=tan(π+12π)

Since (π+θ) is in third quadrant.By ASTC rule tanθ is positive in third quadrant.

∴tan(π+12π)=tan12π

=tan(3π−4π)

Using compound angle formula, tan(A+B)=1−tanAtanBtanA+tanB

=1−tan3πtan4πtan3π+tan4π

We know that tan4π=1 and tan3π=3 we have

=1−3×1