मराठी

Without Using Trigonometric Tables, Prove That: Tan 71° − Cot 19° = 0

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प्रश्न

Without using trigonometric tables, prove that:

tan 71° − cot 19° = 0

बेरीज
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उत्तर

LHS = tan 71° − cot 19° 

= `tan (90^circ - 19^circ) - cot 19^circ`

= `cot 19^circ - cot 19^circ`

= 0 
= RHS

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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 2.2 | पृष्ठ ३१२
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