Evaluate - cosec 3 - - 2 2 - - 1 - 0

(cosec3θ 2)( 2θ 1)=0 cosec 3θ=2 or 2θ=1 3θ=nπ+( 1)^nπ6 or 2θ=nπ±π4 θ=nπ3+( 1)^nπ18 or θ=nπ2±π8 ...

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General Solution of Trigonometric Equation

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Question

Evaluate : $(c o s e c 3 θ - 2) (cot 2 θ - 1) = 0$

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