# Math Analysis

posted by
**Emily**
.

Can someone check my answers please? Thank you!

If tan x = 3/5, evaluate:

1) tan 2x

2) tan 3x

==> For #1, I got 15/8; for #2, I got -99/5. Are these answers correct?

posted by
**Emily**
.

Can someone check my answers please? Thank you!

If tan x = 3/5, evaluate:

1) tan 2x

2) tan 3x

==> For #1, I got 15/8; for #2, I got -99/5. Are these answers correct?