(1 + cosA - sin2A ) / sinA (1 + cosA) =cotA Share with your friends Share 13 Manbar Singh answered this LHS = 1 + cos A - sin2Asin A 1 + cos A = 1 + cos A - 1 - cos2Asin A 1 + cos A = 1 + cos A - 1 + cos A 1 - cos Asin A 1 + cos A = 1 + cos A 1 - 1 - cos Asin A 1 + cos A = 1 - 1 + cos Asin A = cos Asin A = cot A = RHS 33 View Full Answer
