Questions
The system of equations has non-trivial solutions if
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a
sin3θ+2cos2θ=2
b
sin3θ−2cosθ=2
c
sin 3θ−2cos2θ=1
d
sin3θ+2cos2θ=1
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Correct option is A
Given equations have non zero solution ⇒sin3θ−11cos2θ43277=0⇒sin3θ28−21−cos2θ−7−7+2−3−4=0⇒sin3θ+2cos2θ−2=0Similar Questions
If the system of equations,
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