यदि x = a sec θ तथा y = b tanθ हो तो (x²/a² - y² / b² ) का मान होगा? - - Yadi x = A sec θ Tatha y = B tanθ Ho To (x& # 178 ; /a& # 178 ; - y& # 178 ; / b& # 178 ;) Ka Maan Hoga ? Maths in hindi, trigonometry - 1 question answers in hindi pdf 2 questions in hindi, Know About 1 Maths online test Maths notes in hindi quiz book - 2