मराठी

Without Using Trigonometric Tables, Evaluate : Cot 38 ∘ Tan 52 ∘

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प्रश्न

Without using trigonometric tables, evaluate :

`cot 38^circ/tan 52^circ`

बेरीज
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उत्तर

`cot 38^circ/tan 52^circ`

= `cot (90^circ - 52^circ)/tan 52^circ`

= `tan 52^circ/tan 52^circ`  [`because` tan (90-θ) = cot θ]

= 1

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पाठ 12: Trigonometric Ratios of Some Complemantary Angles - Exercises [पृष्ठ ३१२]

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आर. एस. अग्रवाल Mathematics [English] Class 10
पाठ 12 Trigonometric Ratios of Some Complemantary Angles
Exercises | Q 1.6 | पृष्ठ ३१२
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