Solve in the interval , not really sure what to do, I expanded the brackets and got anything I try from here just gives me very wrong answers, can anyone suggest what I do next? thank you.
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Originally Posted by Tweety Solve in the interval , not really sure what to do, I expanded the brackets and got anything I try from here just gives me very wrong answers, can anyone suggest what I do next? thank you. You don't expand trig functions like that. Take the reciprocal.
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