मराठी

Without using trigonometric tables, evaluate: (sin 26^circ)/(cos 64^circ)

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प्रश्न

Without using trigonometric tables, evaluate:

`(sin 26^circ)/(cos 64^circ)`

मूल्यांकन
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उत्तर

Given: `(sin 26^circ)/(cos 64^circ)`

cos 64° = sin (90° – 64°) = sin 26°   ...(Using cos (90° – θ) = sin θ) 

Therefore, `(sin 26^circ)/(cos 64^circ) = (sin 26^circ)/(sin 26^circ)` 

= 1

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पाठ 12: Trigonometric Ratios of Some Complemantary Angles - EXERCISE 12 [पृष्ठ ५९०]

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 12 Trigonometric Ratios of Some Complemantary Angles
EXERCISE 12 | Q 1. (i) | पृष्ठ ५९०
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