Solve the following equations :(i) cot θ+tan θ=2(ii) 2 sin2θ=3 cos� – InterviewSolution

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1.	Solve the following equations :(i) cot θ+tan θ=2(ii) 2 sin2θ=3 cosθ, 0 ≤ θ ≤ 2π(iii) sec θ cos 5θ+1=0, 0< θ<π2(iv) 5 cos2θ+7 sin2θ−6=0(v) sin x−3 sin 2x+sin 3x=cos x−3 cos 2x+cos 3x
Answer» $Solve the following equations : (i) c o t θ + t a n θ = 2 (i i) 2 s i n^{2} θ = 3 c o s θ, 0 \leq θ \leq 2 π (i i i) s e c θ c o s 5 θ + 1 = 0, 0 < θ < \frac{π}{2} (i v) 5 c o s^{2} θ + 7 s i n^{2} θ - 6 = 0 (v) s i n x - 3 s i n 2 x + s i n 3 x = c o s x - 3 c o s 2 x + c o s 3 x$

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