#3 pin socket # why earth connection is longer in length#

# No need to mug up value of Sin & Cos # Use Pythagoras theorem & circle with radius as unit 1 #

# Use of integration to derive the formula of Circle Area# Easy way to know basic of integration #

# Use of integration to derive formula for Area of Tringle#

#know the equation of a circle# Simple way to relate the equation of circle with Pythagoras theorem#

# Use of derivative to relate formula of Area of circle & circumference #

#Easy way to understand equation of line#

# use of integration to derive area of rectangle or Square #

Easy way to Solve trigonometry # Simplified trigonometry # Significance of Sin & Cos