Date Page dan O + Cato carec 20 D N...
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Date Page dan O + Cato carec 20 D N seco a

11th - 12th Class
Maths
Solution
108
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( int sec ^{2} theta+operatorname{cosec}^{2} theta=sqrt{-1+tan ^{2}} ) ( =sqrt{1+tan ^{2} theta+1+cot ^{2} theta} ) ( =sqrt{tan ^{2} theta+cot ^{2} v+2} cdot therefore tan theta cdot cot theta=1 ) ( Rightarrow int tan ^{2} theta+cot ^{2} theta+frac{1}{2+cos theta cdot cot theta} ) ( Rightarrow int(tan theta+cot theta)^{2} ) ( =tan theta+cot theta ) Noved.
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