Re: Trigonometry
- To: mathgroup at smc.vnet.net
- Subject: [mg117857] Re: Trigonometry
- From: WetBlanket <wyvern864 at gmail.com>
- Date: Sat, 2 Apr 2011 02:40:11 -0500 (EST)
- References: <in3uvd$hqe$1@smc.vnet.net>
On Apr 1, 1:30 am, Micha=EBl ELBAZ <miel... at gmail.com> wrote: > Hello, > > With the input "(Cos[x])^2 + (Sin[x])^2", can we get the output "1" ?! > > Thanks > > -- > M.E. Use exp = "(Cos[x])^2 + (Sin[x])^2; exp/. c_.Sin[x_]^2+c_.Cos[x_]^2->c