( \operatorname { sin } \theta + \operatorname { cosec } \theta ) ^ { – InterviewSolution

1.	( \operatorname { sin } \theta + \operatorname { cosec } \theta ) ^ { 2 } = \operatorname { sin } ^ { 2 } \theta + \operatorname { cosec } ^ { 2 } \theta + 2
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