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যদি 1 + tan 2 θ = 4 এবং θ = < 90 ° হয়, θ = ?

যদি 1 + tan 2 θ = 4 এবং θ = < 90 ° হয়, θ = ?

Asked on April 8, 2024 in BCS Questions and Answers 45th.
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    যদি 1 + tan 2 θ = 4 এবং θ = < 90 ° হয়, θ = 60°

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    Answered on April 16, 2024.
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