12 of 15 Which of the following are identities? 1. sin + - = sin - sin a = sin æ - sin III. sin. (1/2 + x) IV. sin (-) = COS OI, II, and III OIII and IV Cos I OI only LOI, III, and IV https://tool studyforge.net/s sess/825/11402# ㅠ 2

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Q: sin = { }. (e.): sine= sin@=. sin e= y sin e sine =

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