Why we are using complex Numbers? Mathematical Operations and Applications

What is an Complex Number / Imaginary number? We know that real value of square…

Trigonometric Functions and identies in mathematics

Sin A = BC/ABCos A = AC/ABTan A = BC/ACCosec A = AB/BCSec A =…

How can we prove the sum of angles in a Triangle is 180°

How to prove the sum of angles in a Triangle is 180° We Know sum…