Y Yindi Member Joined Mar 20, 2011 Messages 43 Gender Male HSC 2012 Mar 9, 2012 #1 Would someone be able to explain this final step to me, thanks in advance:
4025808 Well-Known Member Joined Apr 2, 2009 Messages 4,377 Location 中國農村稻農 Gender Male HSC 2011 Uni Grad 2017 Mar 9, 2012 #2 Try expanding the right hand side using the trigonometric identities rules. Then you should get the left hand side.
Try expanding the right hand side using the trigonometric identities rules. Then you should get the left hand side.
A Aesytic Member Joined Jun 19, 2011 Messages 141 Gender Male HSC 2012 Mar 9, 2012 #3 change the 1 on the top to tan(pi/4) and make the tan(x/2) at the bottom multiplied by tan(pi/4) then you have the expression for tan(x/2 + pi/4)
change the 1 on the top to tan(pi/4) and make the tan(x/2) at the bottom multiplied by tan(pi/4) then you have the expression for tan(x/2 + pi/4)
Y Yindi Member Joined Mar 20, 2011 Messages 43 Gender Male HSC 2012 Mar 9, 2012 #4 Wow, how obscure to bring the exapnsion in, but thank you very much.
RealiseNothing what is that?It is Cowpea Joined Jul 10, 2011 Messages 4,591 Location Sydney Gender Male HSC 2013 Mar 9, 2012 #5 I see you're doing 16 units..... Crazy.
thanks in advance:
