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The solution of the equation sin^3x+sinx...

The solution of the equation `sin^3x+sinxcosx+cos^3x=1` is `(n∈N)` (a)`2npi` (b) `(4n+1)pi/2` (c)`(2n+1)pi` (d) None of these

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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