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Re: Rewriting of Trigonometric Functions

• To: mathgroup at smc.vnet.net
• Subject: [mg26955] Re: Rewriting of Trigonometric Functions
• From: Alan <kd7cyb at mac.com>
• Date: Tue, 30 Jan 2001 03:38:11 -0500 (EST)
• References: <94m8st$3mn@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Try the following:

In[1]:=trigRule=Sin[x_]^2->1/2*1+Cos[2x]

In[2]:=Sin[x]^2/.trigRule

Out[2]:=1/2*1+Cos[2x]

From,
Alan