मराठी

find the value of: cosec2 60° - tan2 30°

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प्रश्न

find the value of: cosec2 60° - tan2 30°

बेरीज
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उत्तर

cosec2 60° – tan2 30° = `(2/sqrt3)^2 – (1/sqrt3)^2 = (4)/(3) – (1)/(3) = 1`

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पाठ 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (C) [पृष्ठ ३२२]

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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 (C) | Q 2. (iv) | पृष्ठ ३२२
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