Hi

For tan x = sin x, why is the general solution only x = pi*n and not also x=2pi*n?

Similarly, for cos (3x) = cos (x), why is it only x = pi*n/2 and not also x = pi*n?

Thanx!

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- Jun 5th 2009, 04:48 PMxwrathbringerxTrig General Solutions
Hi

For tan x = sin x, why is the general solution only x = pi*n and not also x=2pi*n?

Similarly, for cos (3x) = cos (x), why is it only x = pi*n/2 and not also x = pi*n?

Thanx! - Jun 5th 2009, 05:01 PMmr fantastic
- Jun 5th 2009, 05:05 PMxwrathbringerx
Hey is it alrite to write both as solutions i.e. x = .... or ..... OR do i hav to just write the 1st solution?

- Jun 5th 2009, 05:08 PMmr fantastic