He would have to try a different tack with the old man.

He seemed to make up his mind to try a different tack.

He thought for a moment, then decided to try another tack.

Why in God's name had he not tried another tack with her?

It hasn't been won, time to try a new tack.

He appeared to give that up and try a new tack.

Or try a new tack in order to surprise him?

They learned what didn't work and, on the final attempt, many tried a new tack.

It was a reasonable answer, so she tried a different tack.

That was her way of suggesting I try another tack.