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प्रश्न
Evaluate the following: sec16° tan28° - cot62° cosec74°
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उत्तर
sec16° tan28° - cot62° cosec74°
= sec(90° - 74°)tan(90° - 62°) - cot62° cosec74°
= cosec74° cot62° - cot62° cosec74°
= 0
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