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प्रश्न
Evaluate the following: `(tan12°)/(cot78°)`
बेरीज
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उत्तर
`(tan12°)/(cot78°)`
= `(tan(90° - 78°))/(cot78°)`
= `(cot78°)/(cot78°)`
= 1.
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Trigonometric Equation Problem and Solution
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