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If $3 \sin x + 4 \cos a x = 7$ has at least one solution then the possible values of a

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4m4n+1,m,n∈Z

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detailed solution

Correct option is A

We have sinx=1,cosa x=1⇒a x=2mπ,x=(4n+1)π2,m,n∈Z⇒(4n+1)π2=2mπa⇒a=4m4n+1,m,n∈z

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If 3sinx+4cosa x=7 has at least one solution then the possible values of a

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If $3 \sin x + 4 \cos a x = 7$ has at least one solution then the possible values of a