Question

please help!
tan^{-1}(tan−3π/5)

Answer 1

\[\tan^{-1} (\tan -3\pi/5)\]

Answer 2

The answer is -3pi/5.

Answer 3

(-3pi/5)+npi, and n belongs to integer

Answer 4

ya actual answer as @AndrewNJ

Answer 5

wait a minute I give u one thing:)

Answer 6

thanks andrew & mahesh but where did you get\[ +npi\]from?

Answer 7

becoz tan function has periodicity of pi & it repeats its values after every period of pi.

Answer 8

u can lok at my attach pic

Answer 9

so the value on -3pi/5 will be equal to -3pi/5+npi for all n belonging to integers

Answer 10

the graph of tan repeats in a pi
so it can have infinity root of a certain value

Answer 11

wait for 2 min.

Answer 12

i think the next time is three mins:)

Answer 13

where did u puzzled guy?

Answer 14

It is for ur help @Ren93

Answer 15

thank you