Posted by Emily on Monday, May 24, 2010 at 11:09pm.
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?

Math Analysis  Reiny, Monday, May 24, 2010 at 11:13pm
both correct, good job

Math Analysis  Emily, Monday, May 24, 2010 at 11:19pm
Thank you :)
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