1.

If asintheta+bcostheta=c, find acostheta-bsintheta=?

Answer»

`pmsqrt(a^(2)+B^(2)+C^(2))`
`pmsqrt(a^(2)-b^(2)+c^(2))`
`pmsqrt(a^(2)+b^(2)-c^(2))`
NONE of these

Answer :A::B::C::D


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