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`        find the equation of the form sin2x+bsinxcosx+c cos2x+d=0`
6 years ago

85 Points
```										Dear ,
Its a quadratic eq. of sinx like  asin2x + bsinx + c =0
Sol. of ax2+bx + c =0 is x =[-b - √b2-4ac]/2a  and [-b + √b2-4ac]/2a
So, solution is -
sinx  = [ -bcos + √b2cos2x - 4c(cos2x + d ) ]/2  and  sinx  = [ -bcos - √b2cos2x - 4c(cos2x + d ) ]/2

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Anil Pannikar
IIT Bombay
```
6 years ago
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