#double angle formula help

5 messages · Page 1 of 1 (latest)

cyan ferry Jun 1, 2023, 7:09 PM

#

I need help with question D please

#

I got tan(2A)= 2TanA / 1-Tan^2A

#

Wasn’t sure on how to do the next step

pallid moss Jun 1, 2023, 7:11 PM

#

wym the next step

#

you've expressed it in terms of tanA