Sunday
May 19, 2013

# Homework Help: math analysis

Posted by anonymous on Monday, May 3, 2010 at 9:23pm.

How o you solve 4sinxcosx=1 ???

• math analysis - Emily, Monday, May 3, 2010 at 9:25pm

There's a hidden trigonometric identity.... 2sinxcosx ==>

4sinxcosx = 1
2(2sinxcosx) = 1
2sin2x = 1

Then you solve for x :)

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