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WHAT IS MEANT BY CO-ORDINATE GEOMETRY?
what is lava?
How to factorize cubic polynomials?
what are the steps of limiting reagent
difference between conventional and non conventional source of energy ?
what are plant hormones ? explain geotropisum and hydrotropisum ?
An electric gryster is known to consume 2.2 units of electrical energy per hour of its use.It is designed to work on the main voltage of 220v.What is the current flowing through the device?When it is across the main, what is the resistance of the device?Which of the two a 100w.220v lamp or 10w.220v night bulb has high reisitance?
How many states of matter have been identified till now? Which are they?
what is an atomicity
what is sedimentary rock
what is the role of the state in upholding freedom of its citizens
How can we easily study nitrogen cycle?
what is back e.m.f ?
sin A(1+tan A)+cos A(1+cot A)=sec A+ cosec A
1.Prove : (i)cosec A+1/cosec A-1 = (sec A + tan A)2 (ii)sin A/sin(90-A)+cos A/cos(90-A) = sec A cosec A 2.Find x, if: sin47 sec43 + cos43 cosec 47-x cos2 45 = 0 3.If A + B =90;prove that: (i)cos A/sin B + sin A/cos B = 2 (ii)cos A sin B + sin A cos B = 1 4.Mr.Sharma invests Rs.2,40,000 for 2 years at 10% compounded annually.On the interest he earns,income tax at the rate of 20% is deducted at the end of each year.How much money will Mr,Sharma receive at the end of two years?
what is global warming? please explain.
which is the official capital of malaysia?
DEAR teacher this is not a question but i need your help.i have quaterly exam.i need some questions & answers for the subject chemistry.the chapters are 1 to 5.please help me.please reply
FRONT LIMB OF LAND ANIMALS ARE CALLED -----
who is the animal of long life in the world ?