मराठी

Without Using Trigonometric Tables, Prove That: Cosec 80° − Sec 10° = 0 - Mathematics

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प्रश्न

Without using trigonometric tables, prove that:

cosec 80° − sec 10° = 0

बेरीज
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उत्तर

LHS = cosec 80° − sec 10°

= `"cosec" (90^circ - 10^circ) - sec 10^circ`

= `sec 10^circ - sec 10^circ`

= 0

= RHS

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पाठ 7: Trigonometric Ratios of Complementary Angles - Exercises [पृष्ठ ३१२]

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 7 Trigonometric Ratios of Complementary Angles
Exercises | Q 2.3 | पृष्ठ ३१२
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