Question

Find the value of tan(1395°)

Answer 1

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Answer:

Answer 2

$\tan (1395^\circ)=-1$

Step-by-step explanation:

Given : Expression $\tan (1395^\circ)$

To find : The value of the expression ?

Solution :

We can re-write the expression as,

$\tan (1395^\circ)=\tan (360\times 4+(-45))^\circ$

$\tan (1395^\circ)=\tan (360\times 4-45)^\circ$

We know, $\tan(360-x)=-\tan x$

$\tan (1395^\circ)=-\tan (45)^\circ$

$\tan (1395^\circ)=-1$

Therefore, $\tan (1395^\circ)=-1$

#Learn more

Find the value of tan ( 45° + θ) . tan ( 45° - θ)

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