Question

If tanθ = 4/3 , find the value of sinθ + cosθ.

Answer 1

h²=p²+b²

h²= 4²+ 3²

h²=16+9

h²=25

h= root 25

h = 5

sin theta = p/h 4/5

cos theta = b/h = 3/5

sin theta +cos theta

4/5 + 3/ 5

7/5

1.4