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प्रश्न
Evaluate the following: `(sin36°)/(cos54°) + (sec31°)/("cosec"59°)`
बेरीज
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उत्तर
`(sin36°)/(cos54°) + (sec31°)/("cosec"59°)`
= `(sin(90° - 54°))/(cos54°) + (sec(90° - 59°))/("cosec"59°)`
= `(cos54°)/(cos54°) + ("cosec"59°)/("cosec"59°)`
= 1 + 1
= 2.
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Trigonometric Equation Problem and Solution
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