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प्रश्न
Express each of the following in terms of trigonometric ratios of angles lying between 0° and 45°.
sec78° + cosec56°
उत्तर
sec78°+cosec56°
=sec(90°−12°)+cosec(90°−34°)
=cosec12°+sec34°
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संबंधित प्रश्न
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