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प्रश्न
If sec2θ = cosec3θ, find the value of θ if it is known that both 2θ and 3θ are acute angles.
योग
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उत्तर
sec2θ = cosec3θ
⇒ sec2θ = sec(90° - 3θ)
⇒ 2θ = 90° - 3θ
⇒ 5θ = 90°
⇒ θ = 18°.
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Trigonometric Equation Problem and Solution
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