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प्रश्न
Express each of the following in terms of trigonometric ratios of angles between 0° and 45°: sin53° + sec66° - sin50°
बेरीज
उत्तर
sin53° + sec66° - sin50°
= sin(90° - 37°) + sec(90° - 24°) - sin(90° - 40°)
= cos37° + cosec24° - cos40°.
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Trigonometric Equation Problem and Solution
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