3-2cosθ−4sinθ−cos2θ+sin2θ=0 || ffind the value of theta satisfy 3-2cosθ−4sinθ−cos2θ+sin2θ=0 

ffind the value of theta satisfy 3-2cosθ−4sinθ−cos2θ+sin2θ=0
3-2cosθ−4sinθ−cos2θ+sin2θ=0
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