Short Tricks on Trigonometric Identities
Pythagorean Identitiessin2 θ + cos2 θ = 1
sec2 θ – tan2 θ = 1
cosec2 θ – cot2 θ = 1Negative
1. REMEMBERING UNITS DIGITS
First we need to remember cubes of 1 to 10 and unit digits of these cubes. The figure below shows the unit digits of
Unit Digits of Squares
First we need to remember unit digits of all squares from 1 to 10. The figure below shows the unit digits of the squares.
This quick trick to solve Mensuration problems is totally based on your thinking. It involves next to no calculations. This trick will save you precious time in your all
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101 Short-Tricks in Quantitative Aptitude
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Aptitude
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SQUARE ROOT AND CUBE ROOT TRICK NOTES
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Aptitude Short Tricks
