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CBSE Questions

Total Questions 9982
Will you please give more extra questions based on first chapter motion?
an hour when lights are switched off to preserve energy
planting new trees in areas that were forests earlier
0100010011101010000111110101010000000000000000111111100001111000011100011111110100011001111110000000111111111111111111111 WHAT DOES IT MEAN IN BINARY CODE?
WHAT DOES WATER POLLUTION HAVE TO DO IN HISTORY? HOW WAS THE SANITATION OF WATER PERFOMED IN THE PAST? WAS THE WATER CLEAN IN THE PAST?
WHAT IS WATER POLLUTION WHAT IS ITS GEOGRAPHIC FACTS???????????
WHAT ROLE DOES GOVERNMENT PLAY IN MWATERV POLLUTION
If x= r sinA cosC, y= r sinA sinC, z= r cosA, Prove that: r square=x square + y square +z square?
without using the trigonometric tables, evaluate: sec 37 divded by cosec 53 + 2 cot 15 cot25 cot 45 cot 75 cot 65-3(sin square 18+sin square 72)?
without using the trigonometric tables, evaluate: cosec square(90-theta)-tan square theta divided by 4(cos square 48+cos square 42)-2 tan square30 sec square 52 sin square 38 divided by tan square 20 - cosec square 70?
prve that : 1 divided by sec theta-tan theta-1 divided by cos theta=1 divided by cos theta-1 divided by sec theta+tan theta?
prove that: cos A divided by 1-tanA+sinA divided by 1-cotA=sinA+cosA?
If sec thaeta+tan theta=p,show that p square -1 divided by p square +1=sin theta?
prove that: cot theta-1+cosec theta divided by cot theta+1-cosec theta=1 divided by cosec theta-cot theta?
Prove that:cos rise to 4 theta-cos square theta=sin rise to 4-sin square theta?
Prove that:tan thata divided by 1-cot theta+cot theta divided by 1-tan theta=1+sec theta cosec theta?
Prove that : tan theta-1+sec theta divided by tan theta+1-sec theta=1 divided by sec theta-tan theta
Prove that: sinA divided by SecA+tanA-1 + cos A divided by cosecA+cotA-1=1?
Prove that (cosecA-sinA)(secA-cosA)=1/tanA+cotA?
prove that:cos(90-theta) divided by 1+sin(90-theta)+1+sin(90-theta) divided by cos(90-theta)=2cosec theta?