if sinA +cosecA =2 then find the value of sin A - cosec A
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sin A cosec A = 1
(sin A - cosec A)² = (sin A + cosec A)² - 4 sin A cosec A = 4 - 4 = 0
sin A - cosec A = 0
(sin A - cosec A)² = (sin A + cosec A)² - 4 sin A cosec A = 4 - 4 = 0
sin A - cosec A = 0
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