This is the basic and exam oriented question from trigonometry topic trigonometric identities in which we have given that cosθ=2/3, and we have to find the value of (secθ-1)/(secθ+1) by using basic trigonometric formulas
Kindly give me a detailed solution of this question
RS Aggarwal, Class 10, chapter 13C, question no 19
Hope it helps you.