I cosext cotx Show that a sine day ...
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I cosext cotx Show that a sine day yz

11th - 12th Class
Maths
Solution
126
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( y=cos operatorname{ccs} x+cot x(text { grences }) ) Cferom o) ( =y operatorname{cosec} x(cot x+cos e x) ) ( =y^{2} operatorname{cosec} x ) in ( sin x frac{d^{2} y}{d x^{2}}=y^{2} mid ) hemce
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