Solve the equation $$\(3 \sin 2 \theta \cot \theta=5\)$$ for $$\(0<\theta<\pi\)$$. ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................ ........................................................................................................................................................
Exam No：9709_s20_qp_22 Year：2020 Question No：8(b)
Answer:
Attempt solution of \(\cos ^{2} \theta=\frac{5}{6}\) to find at least one value
Obtain \(0.421\)
Obtain \(2.72\)
Obtain \(0.421\)
Obtain \(2.72\)
Knowledge points:
2.3.2.1 more contents
2.3.2.2 the expansions of
2.3.2.3 the formulae for sin 2A,cos 2A and tan 2A
2.3.2.4 the expression of
Solution:
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