Need for Starting Non-Cooperation Movement: Young Muslim leaders like Muhammad Ali and Shaukat Ali approached Gandhiji about the possibility of a united movement against the British rule. Gandhiji saw...
When the sum of two angles=90 degrees, they are called complementary angles. We can use following formula →sin(90-θ)=cosθ,cos(90-θ)=sinθ,tan(90-θ)=cotθ,cosec(90-θ)=secθ,sec(90-θ)=cosecθ We...