Cbse School 10 Math

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 Cbse School 10 Math concepts Solved Question Paper 1999 Read More in: Http:...

Cbse School 10 Math concepts Solved Question Paper 1999 Read More in: Http:...

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31.08.2019

Question 1) Evaluate without needing trigonometric desk: cos 75o/sin 15o + sin 12o/cos 78o – cos 18o/sin 72o (Marks 2)Question 2) Evaluate (sec2A – 1)(1 – cosec2A ) (Marks…...

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