Sec + tan / sec -tan = 2 51/79 then sin
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hope this the right answer........
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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
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