Question

If in a right angled triangle, right angled at B, sin A = 8/17, find the value of 2 x tanA / 1+tan^2 A

Answer 1

2*8/15 / 1+(8/15)²

16/15 / 1+64/225

16/15 / 289/225

16/15 * 225/289

240/289

hope this is helpful