Sin 2 theta = 2 Sin cos theta
thon value of theta?
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Answered by
1
Step-by-step explanation:
2sinθ=2−cosθ
cosθ=2−2sinθ
1−sin^2θ = 4 + 4sin^2θ − 8sinθ
5sin^2θ − 8sinθ + 3=0
5sin^2θ − 5sinθ − 3sinθ + 3 = 0
5sinθ(sinθ−1)−3(sinθ−1)=0
(sinθ−1)(5sinθ−3)=0
sinθ=1, 5/3
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Answer:
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