If tanx=b/a where a and b are real numbers find the value of sin2a
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Sin(2a) = 2 Tan(x) / 1+ Tan² (x)
Tan² ( x ) = (b/a)²
Sin(2a) = 2 ( b/a) / 1 +( b²/a²)
Sin(2a) = 2 ab / (a² + b²)
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Tan² ( x ) = (b/a)²
Sin(2a) = 2 ( b/a) / 1 +( b²/a²)
Sin(2a) = 2 ab / (a² + b²)
.......Have a nice day.......
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