if verify the identity my attempt i found to be but when i calculated i got and = can someone tell me where i went wrong, am i using the wrong fomula?
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Originally Posted by iLikeMaths if verify the identity my attempt i found to be but when i calculated i got and = can someone tell me where i went wrong, am i using the wrong fomula? The formula is right. Some of your terms are wrong. Here's what I got.
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