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19 votes
19 votes
Let tan(x)=2/5
What is the value of tan(2π−x)
please!

User Aniruddha Bhondwe
by
3.3k points

1 Answer

10 votes
10 votes

Answer:

-0.4 or
(-2)/( 5)

Explanation:


tan^-^(1) ({(2)/(5) })=21.80\\

tan ( 2π-21.80)

but 2π = 360

Therefore our question becomes:

tan ( 360-21.80)=tan(338.2)= -0.4

User Harold
by
3.2k points