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ICSE Class 9 Answered

Sin A + cosec A = 2
Asked by anufancy1 | 16 Oct, 2020, 10:24: PM
Expert Answer
sinA + cosecA = 2
sinA + 1/sinA = 2
sin2A - 2sinA + 1 = 0
(sinA - 1)2 = 0
sinA = 1
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