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प्रश्न
Evaluate:
tan (55° – A) – cot (35° + A)
मूल्यांकन
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उत्तर
tan (55° – A) – cot (35° + A)
= tan [90° – (35° + A)] – cot (35° + A)
= cot (35° + A) – cot (35° + A)
= 0
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Complimentary Angles for Tangent ( Tan ) and Contangency ( Cot )
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 21: Trigonometrical Identities - Exercise 21 (C) [पृष्ठ ३२८]
