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CBSE Class 10 Free Doubts and Solutions

CBSE - X - Mathematics

Page 410 Qstn 31 Cos4 θ – sin4θ =

Asked by miniprasad 23rd October 2018, 9:58 PM
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CBSE - X - Mathematics

Page 406 Qst : 30   Cos θ              +    cos θ     = 2 Cosec +1 cosec - 1  

Asked by miniprasad 23rd October 2018, 9:57 PM
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CBSE - X - Mathematics

Page 405 Question 12 Evaluate: sin 30° cos 45°  + cos 30° sin 45° cos 30° cos 45°  - sin 30° sin 45° tan2 60° + 4 cos2 45° + 3 sec2 30° + 5 cos2 90° 4 cot2 45°- sec2 60° + sin2 60° + cos2 90°

Asked by miniprasad 23rd October 2018, 9:55 PM
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CBSE - X - Mathematics

Page 377 Ex 6 If ∠A and ∠B are acute angles such that cosA=cosB, then show that ∠A = ∠ B.

Asked by miniprasad 23rd October 2018, 9:53 PM
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CBSE - X - History

Why did the tribal peasants of Gudem Hills participate in the non cooperation movement?

Asked by adityadhabhai012 23rd October 2018, 8:21 PM
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CBSE - X - Mathematics

find the area of triangle whose vertices are( - 8, 4)( - 6, 6) and (-3, 9)

Asked by Atulagrawalagrawal8 23rd October 2018, 7:25 PM
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CBSE - X - English

1.What was Helen Keller's view about company of children? 2.What made little Helen blind and deaf?

Asked by agraharianiruddha 22nd October 2018, 6:25 PM
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CBSE - X - English

give the marking scheme of literature part 

Asked by mdraishbst 22nd October 2018, 5:31 PM
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CBSE - X - English

how to answer cbse english literature part using cbse standard english vocabulary

Asked by mdraishbst 22nd October 2018, 5:29 PM
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