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Evaluate: Sec2 18° - Cosec2 72° - Mathematics

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प्रश्न

Evaluate: sec2 18° - cosec2 72°

बेरीज

उत्तर

sec2 18° - cosec2 72°
= [sec (90° - 72°)]2 - cosec2 72°
= cosec2 72° - cosec2 72°
= 0

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Complimentary Angles for Secant ( Sec ) and Cosecant ( Cosec )
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 25: Complementary Angles - Exercise 25 [पृष्ठ ३१०]

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सेलिना Concise Mathematics [English] Class 9 ICSE
पाठ 25 Complementary Angles
Exercise 25 | Q 1.6 | पृष्ठ ३१०
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