Answers

2016-03-22T15:24:19+05:30
= cosec²x - cot²x = 1

= cosec²x - 1/tan²x = 1

= -1/tan²x = 1-cosec²x

= 1/tan²x = cosec²x - 1

= tan²x = 1/cosec²x - 1

= tanx = 1/√cosec²x-1
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