Few Important Points – Maths
i) sinnx, cosnx, secnx, cosecnx are periodic functions with period 2π and π according as n is odd or even. ii) tannx, cotnx are periodic functions with period π whether n is even or odd. iii) |sin x|, |cos x|, |tan x|, |cot x|, |sec x|, |cosec x| are periodic with period π. iv) |sin Read more about Few Important Points – Maths[…]