Hi I am asked to tackle this one below I dont want to multiply the cosx by the cos2x yet all other routes I hit a dead end. Any help would be great
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Originally Posted by 200001 Hi I am asked to tackle this one below I dont want to multiply the cosx by the cos2x yet all other routes I hit a dead end. Any help would be great Some simplication ,
brilliant, thanks I made the error of trying to keep cos2a in its 'nice form' in the numerator
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