Question

Sec + tan / sec -tan = 2 51/79 then sin

Answer 1

hope this the right answer........

Answer 2

Answer:

ans is 65/144

Step-by-step explanation:

my friend doing in above is right

still some mistake is there okkkk

(1+Sina)/(1-sina)=209/79

79+79sina=209-209sina

288sina=130sina

therefore Sina=130/288

ans is Sina=65/144