Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
tan
3
0
°
+
tan
1
5
°
1
-
tan
3
0
°
tan
1
5
°
Math Input
Natural Language
Math Input