Verify that the left side = the right side I cant seem to solve the identity
Last edited by purplec16; March 17th 2010 at 06:36 AM. Reason: changed the question
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sin 2 t cos t This should be 2sint cos t
Originally Posted by sa-ri-ga-ma sin 2 t cos t This should be 2sint cos t I changed that, it was a typo
Originally Posted by sa-ri-ga-ma sin 2 t cos t This should be 2sint cos t Do you know how to solve it from there?
Originally Posted by purplec16 Do you know how to solve it from there? is the well known double angle identity. it comes from the sum identity for sine ...
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