6sin2(theta)cos2(theta)
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Originally Posted by dno 6sin2(theta)cos2(theta) You should know that 2 sin A cos A = sin(2A) ....
Originally Posted by mr fantastic You should know that 2 sin A cos A = sin(2A) .... yeah I know you've got to use that but I dont know how to apply it to that equation
Originally Posted by dno yeah I know you've got to use that but I dont know how to apply it to that equation Just to make it clearer: where n is a real number. For your case:
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