Methods of Solving Trigonometric Equations: By Introducing Auxiliary Angle
The number of...
Question
The number of solution(s) of the equation asinx+bcosx=cwhere|c|>√a2+b2is:
A
Infinite
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B
2
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C
1
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D
No solution
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Solution
The correct option is D No solution We know, range of asinx+bcosx is [−√a2+b2,√a2+b2]
Since c is not in the range of asinx+bcosx ∴ There is no solution for this equation