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B
Infinite number of solutions
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C
No solution
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D
None of the above
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Solution
The correct option is B No solution Since, |asinx=bcosx|≤√a2+b2,∀x∈R ⇒|c|≤√a2+b2 But |c|>√a2+b2 ∴asinx=bcosx=c It does not hold for any x∈R So, it has no solution.