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The system of equations has a non-trivial solution if
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a
sin3θ+2cos2θ=2
b
sin3θ−2cos2θ=2
c
sin3θ−2cos2θ=1
d
sin3θ+2cos2θ=1
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Correct option is A
Given equations have a non-zero solution⇒sin3θ-11cos2θ43277=0⇒sin3θ28−21+17cos2θ−6+17cos2θ−8=0⇒7sin3θ+14cos2θ−14=0⇒sin3θ+2cos2θ=2Similar Questions
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