化简cos^2x-sin^2x+2倍根3 化简成Asin()+~的形式啊 刚才采纳错了
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化简cos^2x-sin^2x+2倍根3 化简成Asin()+~的形式啊 刚才采纳错了
化简cos^2x-sin^2x+2倍根3 化简成Asin()+~的形式啊 刚才采纳错了
化简cos^2x-sin^2x+2倍根3 化简成Asin()+~的形式啊 刚才采纳错了
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化简cos^2x-sin^2x+2倍根3化简成Asin()+~的形式
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