Cos(225°)-Sin(225°)+tan(495°)-cot (495°)
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Step-by-step explanation:
cos(225°)-sin(225°)+tan(495°)-cot(495°)
=cos(180+45)-sin(180+45)+tan(90×5 +45)-cot(90×5+45)
=-cos45°+sin45°-cot45°+cot45°
=-1/√2+1/√2
=0. [ANS]
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