if sina7/8 then find the value of tan
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Sin A = 7\8
∴ Perpendicular\hypotenuse = 7\8
Base² = Hypotenuse² - perpendicular²
b² = 8²-7²
b = √64-49
b = √15
Tan A = perpendicular\base = 7\√15 = 7√15\15
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