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Secx csc x = 2 csc x
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Secx csc x = 2 csc x

User Brahim
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Answer:

Explanation:


(1)/(cosx) . (1)/(sinx) =(2)/(sinx)\\ (1)/(cosx) . (1)/(sinx) - (2)/(sinx) = 0\\(1)/(sinx)((1)/(cosx) - 2) = 0\\(1)/(cosx) = 2\\cosx = (1)/(2) \\x = 60

User Deadbeef
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