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Solve the following equations:(i) cotθ+tanθ=2 [NCERT EXEMPLAR](ii) 2sin2θ=3cosθ, 0≤θ≤2π [NCERT EXEMPLAR](iii) secθcos5θ+1=0, 0<θ<π2 [NCERT EXEMPLAR](iv) 5cos2θ+7sin2θ-6=0 [NCERT EXEMPLAR](v) sinx-3sin2x+sin3x=cosx-3cos2x+cos3x [NCERT EXEMPLAR] |
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Answer» Solve the following equations: (i) [NCERT EXEMPLAR] (ii) [NCERT EXEMPLAR] (iii) [NCERT EXEMPLAR] (iv) [NCERT EXEMPLAR] (v) [NCERT EXEMPLAR] |
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