मराठी

Evaluate: cos55°sin35°+cot35°tan55°

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प्रश्न

Evaluate: `(cos55°)/(sin 35°) + (cot 35°)/(tan 55°)`

बेरीज
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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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पाठ 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (F) [पृष्ठ ३३४]

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सेलिना Concise Mathematics [English] Class 9 ICSE
पाठ 21 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
EXERCISE 21 (F) | Q 2. (iv) | पृष्ठ ३३४
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