Cos squared theta minus 2 sin square theta divided by cos theta sin theta equal to sec theta cosec theta minus 3 tan theta
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Step-by-step explanation:
cos²x - 2sin²x / cosx*sinx
= 1-sin²x-2sin²x / cosx*sinx
= 1-3sin²x / cosx*sinx
= 1/cosx*sinx - 3sin²x/cosx*sinx
= secx*cosecx - 3tanx
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