if cosA=5/13, Find the value of sin2A ,cos2A,tan2A provided 0<A<90 Share with your friends Share 1 Pooja Khanna answered this Here is the link for the answer similar to your query: https://www.meritnation.com/ask-answer/question/if-sina-3-5-in-first-quadrant-find-the-values-of-sin2a-cos/trigonometric-functions/7662655 0 View Full Answer