Maths By SK

Power of   i : A number of the form  \(a + \iota b, \) where  a  and b  are real numbers, is defined to be a complex number. Here \(\iota\)  means iota, now to understand the topic we will go further. Positive powers of   i \(…

Inverse trigonometric function \(\sin^{–1} x\) should not be confused with \(\sin^{–1} x\). In fact \(\sin^{–1} x = \dfrac{1}{\sin x}\) and similarly for other trigonometric functions. Whenever no branch of an inverse trigono…