kgracie77 kgracie77

09-03-2018
Mathematics

contestada

PLEASE HELP FAST!!

To verify the identity tan(x1+x2+x3)= tanx1+tanx2+tanx3-tanx1tanx2tanx3/1-tanx1tanx2-tanx2tanx3-tanx1tanx3, what should you do first?

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Professor1994 Professor1994

20-03-2018

Hello,
Please, see the attached file.
Thanks.

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