#trig inverse
10 messages · Page 1 of 1 (latest)
can u elaborate it further?
If you take the tan of both sides to get rid of tan-1 on the left. You have the expression tan(a+b) on the right which you can apply the tan identity to.
i got it, thank you
.solved
Post marked as solved by @quiet flax.
Use .unsolved if this was a mistake.