kavindusriBegginer ( Level 6 )
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kavindusriBegginer ( Level 6 )
Sorry it's a private question.
Janaka RodrigoLevel 2
There was an Olympiad question of evaluating the sum arccot(2) + arccot(3) by geometrical approach. My issue is how can you use only one figure to evaluate sum of infinite series of angles arccot(3) + arccot(7) + arccot(13)+….and show that ...
Janaka RodrigoLevel 2
According to the teachers guide of combined mathematics we have perfectly elastic impacts when e = 1 with no loss of kinetic energy in the system and inelastic impacts when e = 0 . According to the ...
PasinduBegginer ( Level 6 )
Dear sir, What is the most suitable method to find the solutions for partial fraction. Is it substituting a value or by comparing the coefficient.
There is a way to describe simple harmonic motion as a linear motion which can be obtained by projecting circular motion on to diameter of the circle ( that is actually a part of the lesson of combined mathematics). What ...
Janaka RodrigoLevel 2
One of the main applications of method of contradiction in our syllabus is proving irrationality of square root 2. But it also done without mentioning the most important infinite decent method which was used by Sir Andrew ...
nalakackBegginer ( Level 6 )
What is the limiting value of the xth root of x when x tends to infinity?
Hello, I need to know any simple technique that is use to remember the following equations. Specialy for Sinhala medium students Equation of finding the circumference of a circle Finding the area of a circle Finding the perimeter of a sector Finding the area of ...