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ICSE Class 10 Answered

cosec(65+A)-sec(25-A)
Asked by durgaarceusbehera | 19 Feb, 2018, 06:33: AM
answered-by-expert Expert Answer

cosec(90º - 65º-A) - sec(25º - A)

sec(25º - A) - sec(25º - A)

= 0

Answered by Sneha shidid | 19 Feb, 2018, 08:03: AM

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