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प्रश्न
Evaluate: cosec (65° + A) - sec (25° - A)
योग
उत्तर
cosec (65° + A) - sec (25° - A)
= cosec [90° - (25° - A)] - sec (25° - A)
= sec (25° - A) - sec (25° - A)
= 0.
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Complimentary Angles for Secant ( Sec ) and Cosecant ( Cosec )
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
