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प्रश्न
Evaluate: `(cos55°)/(sin 35°) + (cot 35°)/(tan 55°)`
उत्तर
`(cos55°)/(sin 35°) + (cot 35°)/(tan 55°)`
= `cos(90° - 35°)/(sin 35°) + cot(90° - 55°)/(tan 55°)`
= `(sin 35°)/(sin 35°) + (tan 55°)/(tan 55°)`
= 1 + 1
= 2
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